日本成人片在线_久久免费精品视频_国产午夜精品久久久久久免费视_校花撩起jk露出白色内裤国产精品_av影片免费在线观看_国产小视频在线看_最新av免费在线观看_99久久99久久精品国产片_欧美成人猛片aaaaaaa_蜜桃免费网站一区二区三区


III.完形填空(共20小題,每題1.5分,滿分30分)
閱讀下面短文,掌握其大意,然后從36-55各題所給的四個選項(xiàng)(A、B、C和D)中,選出最佳選項(xiàng)。
When children are very young, they learn from their grandparents and parents what is proper and good behavior.
A two-year-old child always  36  of himself or herself first. Sometimes, he or she tells people “This is  37 .” Of course, the  38  of sharing has to be  39  so that the child learns to  40  along with another child.
It is  41  for a family member to train the child so that he or she can  42  how to serve others and become a useful person in  43 . Discipline(紀(jì)律) should always be given with  44 .
Once a young child is taught to  45 , the child begins to realize that  46  is not a punishment but a valuable  47  in life. The idea of discipline becomes more important  48  the child is a student in elementary school..
If a person is  49 , he or she will not have  50  in life. If a person is trained, it doesn’t  51  what job he or she accepts, and there will be a  52  result. Parents and grandparents are very  53  that young children learn discipline early in their life, for happiness and pride will be the  54  of their achievements.
Usually, it is in middle school that children decide whether they will accept discipline as the road to success. For those who do, the  55  is very bright leading to a happy life.
36.A. cares          B. says      C. speaks          D. thinks
37.A. mine          B. ours        C. theirs           D. yours
38.A. fact         B. idea         C. reason       D. mind
39.A. exchanged   B. introduced    C. brought          D. known
40.A. come          B. go          C. do             D. get
41.A. necessary   B. easy          C. hard         D. clear
42.A. learn     B. study     C. guess         D. remember
43.A. country    B. family    C. society       D. public
44.A. dislike    B. excitement   C. love        D. anger
45.A. live        B. share          C. play       D. work
46.A. homework  B. order       C. exam     D. discipline
47.A. lesson      B. text         C. class       D. work
48.A. though    B. because    C. since         D. when
49.A. taught     B. unknown        C. popular        D. untrained
50.A. help       B. business         C. success     D. purpose
51.A. matter    B. like     C. seem         D. appear
52.A. bad        B. good    C. final         D. natural
53.A. careful    B. worried    C. surprised      D. hopeful
54.A. example         B. reason    C. result         D. point
55.A. future      B. sun        C. day        D. sky


36-40  DABBD     41-45  AACCB    46-50 DADDC    51-55 ABDCA   

解析

練習(xí)冊系列答案
相關(guān)習(xí)題

科目:高中英語 來源:福建省廈門六中2009-2010學(xué)年度高一下學(xué)期期中考試(英語) 題型:完型填空


III. 完形填空(共20小題;每小1分,滿分20分)
閱讀下面短文,掌握其大意,然后從33—52各題所給的四個選項(xiàng) (A,B,C和D),選出可以填入空白處的最佳答案。
Bill White’s father is a lawyer. In his  33  time, he likes to get out in the country and take some  34  of animals.
For a long time, Bill had wanted to go with his father on one of his  35 . But his father didn’t take Bill along with him  36  he was fifteen.
He and Bill drove to the farm which  37  to his uncle in the afternoon. They  38  the night there, so that they could  39  out early the next morning. Uncle Steve and his son Larry, who was sixteen, were going to go out with them.
It was still dark when Bill heard the alarm  40  the next morning. He wondered why it was running so early. He couldn’t remember  41  he was. He turned over  42 and looked at the clock. It was 5 o’clock. Then he 43  that he was at the  44  and that he was going out to take pictures with his father. He jumped out of bed and got  45  quickly.
He ran downstairs. The others were already in the  46 . Uncle Steve was cooking bacon and eggs. There was a pot of coffee on the stove. It  47  good.
They ate breakfast quickly. They didn’t talk  48 , because they didn’t want to  49  up the other people in the house. They filled a thermos bottle  50  hot coffee and took some sandwiches  51  Aunt Grace, Uncle Steve’s wife, had made for them. They gathered their camera  52  and started out.
33. A. busy      B. spare          C. enough       D. limited
34. A. foods            B. drawings       C. paintings      D. pictures
35. A. trips             B. buses          C. holidays       D. mountains
36. A. after             B. when          C. until          D. unless
37. A. led              B. stuck          C. got           D. belonged
38. A. cost       B. spent          C. slept           D. took
39. A. start             B. begin          C. walk          D. step
40. A. telephone  B. machine       C. bell          D. clock
41. A. where     B. how          C. who          D. what
42. A. quickly    B. sleepily        C. quietly              D. suddenly
43. A. imagined         B. pronounced    C. forgot        D. remembered
44. A. mountain   B. town          C. farm         D. station
45. A. dressed      B. ordered        C. eaten          D. prepared
46. A. bathroom  B. kitchen        C. dining-room    D. sitting-room
47. A. seemed     B. felt           C. tasted          D. smelled
48. A. many      B. soundly       C. much               D. highly
49. A. wake      B. go            C. put           D. come
50. A. of         B. with          C. in            D. by
51. A. that       B. what          C. after          D. before
52. A. cover      B. supply        C. operator       D. equipment

查看答案和解析>>

科目:高中英語 來源:黑龍江省哈爾濱市五縣20092010學(xué)年高二下學(xué)期期末聯(lián)考試題(英語) 題型:完型填空

III.完形填空(共20小題,每題1.5分,滿分30分)

閱讀下面短文,掌握其大意,然后從36-55各題所給的四個選項(xiàng)(A、B、C和D)中,選出最佳選項(xiàng)。

When children are very young, they learn from their grandparents and parents what is proper and good behavior.

A two-year-old child always  36  of himself or herself first. Sometimes, he or she tells people “This is  37 .” Of course, the  38  of sharing has to be  39  so that the child learns to  40  along with another child.

It is  41  for a family member to train the child so that he or she can  42  how to serve others and become a useful person in  43 . Discipline(紀(jì)律) should always be given with  44 .

Once a young child is taught to  45 , the child begins to realize that  46  is not a punishment but a valuable  47  in life. The idea of discipline becomes more important  48  the child is a student in elementary school..

If a person is  49 , he or she will not have  50  in life. If a person is trained, it doesn’t  51  what job he or she accepts, and there will be a  52  result. Parents and grandparents are very  53  that young children learn discipline early in their life, for happiness and pride will be the  54  of their achievements.

Usually, it is in middle school that children decide whether they will accept discipline as the road to success. For those who do, the  55  is very bright leading to a happy life.

36.A. cares          B. says      C. speaks          D. thinks

37.A. mine          B. ours        C. theirs           D. yours

38.A. fact         B. idea         C. reason       D. mind

39.A. exchanged   B. introduced    C. brought          D. known

40.A. come          B. go          C. do             D. get

41.A. necessary   B. easy          C. hard         D. clear

42.A. learn     B. study     C. guess         D. remember

43.A. country    B. family    C. society       D. public

44.A. dislike    B. excitement   C. love        D. anger

45.A. live        B. share          C. play       D. work

46.A. homework  B. order       C. exam     D. discipline

47.A. lesson      B. text         C. class       D. work

48.A. though    B. because    C. since         D. when

49.A. taught     B. unknown        C. popular        D. untrained

50.A. help       B. business         C. success     D. purpose

51.A. matter    B. like     C. seem         D. appear

52.A. bad        B. good    C. final         D. natural

53.A. careful    B. worried    C. surprised      D. hopeful

54.A. example         B. reason    C. result         D. point

55.A. future      B. sun        C. day        D. sky

 

查看答案和解析>>

科目:高中英語 來源:福建省2009-2010學(xué)年度高二下學(xué)期期中考試(英語) 題型:完型填空

III. 完形填空(共20小題;每小題1.5分,滿分30分) 

James’s New Bicycle

James shook his money box again. Nothing! He carefully __34__ the coins that lay on the bed. $24.52 was all that he had. The bicycle he wanted was at least $90! __35__ on earth was he going to get the __36_ of  the money?

He knew that his friends all had bicycles. It was __37__ to hang around with people when you were the only one without wheels. He thought about what he could do. There was no __38__ asking his parents, for he knew they had no money to __39__.

There was only one way to get money, and that was to __40__ it. He would have to find a job. __41__ who would hire him and what could he do? He decided to ask Mr. Clay for advice, who usually had __42__ on most things.

“Well, you can start right here,” said Mr. Clay. “My windows need cleaning and my car needs washing.”

That was the __43__ of James’s odd-job(零工) business. For three months he worked every day after finishing his homework. He was amazed by the __44__ of jobs that people found for him to do. He took dogs and babies for walks, cleared out cupboards, and mended books. He lost count of the __45__ of cars he washed and windows he cleaned, but the __46__ increased and he knew that he would soon have __47__ for the bicycle he longed for.

The day __48__ came when James counted his money and found $94.32. He __49__ no time and went down to the shop to pick up the bicycle he wanted. He rode __50__ home, looking forward to showing his new bicycle to his friends. It had been hard __51__ for the money, but James knew that he valued his bicycle __52__ he had bought it with his own money. He had __53__what he thought was impossible, and that was worth even more than the bicycle.

34. A. cleaned         B. covered       C. counted             D. checked

35. A. How               B. Why              C. Who                    D. What

36. A. amount            B. part               C. sum                      D. rest

37. A. brave              B. hard              C. smart                     D. unfair

38. A. point                B. reason            C. result                    D. right

39. A. split                       B. spend             C. spare                    D. save

40. A. borrow             B. earn               C. raise                     D. collect

41. A. Or                  B. So                 C. For                       D. But

42. A. decisions          B. experience      C. opinions                D. knowledge

43. A. beginning         B. introduction   C. requirement           D. opening

44. A. similarity         B. quality           C. suitability              D. variety

45. A. brand              B. number           C. size                      D. type

46. A. effort              B. pressure          C. money                   D. trouble

47. A. all                   B. enough          C. much                    D. some

48. A. finally              B. instantly         C. normally                D. regularly

49. A. gave                B. left                       C. took                     D. wasted

50. A. patiently           B. proudly          C. silently                 D. tiredly

51. A. applying           B. asking            C. looking                 D. working

52. A. since                B. if                  C. than                      D. though

53. A. deserved           B. benefited               C. achieved                D. learned

 

查看答案和解析>>

科目:高中英語 來源:0910學(xué)年黑龍江省高一上學(xué)期期末考試英語試題 題型:完形填空

 

III.完形填空(共20小題;每小題1.5分,滿分30分

閱讀下面短文, 掌握其大意, 然后從36~55各題所給的A、B、C、D四個選項(xiàng)中,選出最佳選項(xiàng)

  I recently worked with some other Chinese professors to carry out a survey in the neighborhood in the US. It’s about the parents taking care of the children. And through the survey we know that in the past, most American mothers were at home to take care of their children during the day. Now, _36____,, many mothers are working. More than half of the American women____37_young children have ___38_outside their homes.

  American families settle the child care___39_ in different ways. Some parents permit____40_children to stay at home alone after school. The parents___41_ be sure that the children, usually not younger than 10 years old, understand the ___42_rules and can deal with emergencies (緊急情況). Other parents say they will ____43_ permit their children to be at home alone. They usually ___44_ someone to take care of the ___45_.

  Some parents in the US find their own way to ____46_ the cost of child care. They join child care___47_. Each person in the group ___48_ for the children of other group __49_at different times. Some parents ask local___50_, schools and social organizations to help ___51_ activities to the children. These child care choices often cost___52_ or no money. Many American parents , however, still ___53__with the problem of ___54 _ good child care at a ___55_price.

36. A. therefore     B. otherwise     C. thus         D. however

37.A. like          B. as           C. with         D. from

38.A. children      B. jobs          C. houses       D. money

39.A. problem      B. question       C. chance       D. choice

40.A.older        B. younger       C. sticker       D. happier

41.A. can          B. must          C. may        D. ought

42.A. dangerous      B. safety     C. funny         D. true

43.A. rather         B. certainly    C. always       D. never

44.A. send          B. stop        C. pay         D. invite

45.A. houses        B. neighbors     C. old        D. children

46.A. protect        B. end          C. reduce     D. increase

47.A. schools        B. groups       C. clubs      D. hospitals

48.A. cares          B. sends       C. asks        D. pays

49.A. strangers       B. members     C. officials   D. teachers

50.A.shops          B. markets      C. churches    D. restaurants

51.A.equip          B. offer        C. play       D. join

52.A.much          B. little         C. enough    D. more

53.A.enjoy          B. discuss       C. quarrel    D. struggle

54.A.taking         B. finding        C. losing    D. suffering

55.A.high          B. low           C. reasonable  D. real

 

查看答案和解析>>

同步練習(xí)冊答案
97欧美在线视频| 5月婷婷6月丁香| 97在线国产视频| 色悠悠久久综合网| 日本japanese极品少妇| 无码人妻精品一区二区三区夜夜嗨| 日韩成人高清视频| 亚洲AV无码乱码国产精品牛牛 | 国产精品后入内射日本在线观看| 中文国产在线观看| www.av免费| 一区二区三区精彩视频| 免费黄网站在线观看| 不卡的av影片| 成人h动漫精品一区二区器材| 欧美电影免费| 国产一区二区三区不卡在线观看| 欧美激情自拍偷拍| 在线观看日韩毛片| 尤物精品国产第一福利三区| 国产成人精品最新| 日韩亚洲视频在线| 777一区二区| www.av视频| 成人av无码一区二区三区| yourporn在线观看中文站| 国产国产一区| 永久91嫩草亚洲精品人人| 狠狠狠色丁香婷婷综合激情| 亚洲三级理论片| 欧美成人r级一区二区三区| 精品自拍视频在线观看| 国产精品久久一区二区三区| 日本福利视频在线| 国产视频不卡在线| 国产人妖在线播放| 免费网站在线观看人| 99久久婷婷国产综合精品青牛牛 | 欧美丰满少妇人妻精品| 国产一级片一区二区| yw在线观看| 51vv免费精品视频一区二区| 99精品视频免费观看| 国产亚洲欧美在线| 日韩亚洲欧美一区| 日韩女在线观看| 日本在线视频www色| 中国极品少妇xxxx| 中文永久免费观看| 曰本三级在线| 欧美日韩国产高清电影| 国产999精品久久| 色综合天天天天做夜夜夜夜做| 一色桃子一区二区| 国产综合18久久久久久| 亚洲涩涩在线观看| 久久久久女人精品毛片九一| 99reav在线| 国产精品久av福利在线观看| 麻豆高清免费国产一区| 天涯成人国产亚洲精品一区av| 伊人激情综合网| 精品无人区一区二区三区| 亚洲精品国产一区二区三区| 亚洲国产成人无码av在线| 无遮挡动作视频在线观看免费入口| 91嫩草精品| 精品一区二区免费看| 日韩欧美主播在线| 久久久久国色av免费观看性色| 日本免费一区二区三区| 亚洲成人av免费在线观看| 国产成年妇视频| 91精品韩国| 久久久精品日韩| 午夜在线成人av| 欧美高清视频一区二区| 国产成人免费高清视频| 亚洲色偷偷综合亚洲av伊人| 国产免费av高清在线| 一区二区美女| 久久久久久久电影| 日韩精品www| 久久久久久草| 国产精品jizz| 黄色小视频在线播放| 91久久偷偷做嫩草影院电| 国产九色精品成人porny| 日韩一区二区视频在线观看| 亚洲精品欧美日韩专区| 日韩欧美中文视频| 亚洲国产精品二区| 宅男噜噜噜66国产精品免费| 狠狠色丁香久久婷婷综合丁香| 制服丝袜av成人在线看| 2020国产精品久久精品不卡| 久久黄色一级视频| 天天干天天色天天| 国产精品一线| 国产亚洲精品福利| 日韩中文字幕在线视频| 樱空桃在线播放| 日本一级淫片免费放| 变态调教一区二区三区| 亚洲在线观看| 欧美福利视频导航| 国产亚洲一区二区三区在线播放| a级在线观看视频| 日韩美女一级视频| 羞羞答答成人影院www| 一区二区三区四区在线免费观看| 色综合久综合久久综合久鬼88| 欧美日韩福利在线| 最新中文字幕免费| 亚洲a成人v| 99精品视频中文字幕| 国产一区二区三区在线播放免费观看| 亚洲一卡二卡三卡| 日韩和一区二区| 亚洲精品中文字幕| 国产一区二区视频在线播放| 亚洲精品美女在线| 99精品一区二区三区的区别| 日产精品久久久| 日韩一区二区三区在线免费观看 | 欧美主播一区二区三区| av在线亚洲男人的天堂| 色屁屁草草影院ccyy.com| 国产精品剧情| 日韩电影免费一区| 亚洲成人xxx| 经典三级在线视频| www.亚洲激情| 99a精品视频在线观看| 中文字幕在线观看一区二区| 91黑丝高跟在线| 午夜视频在线免费看| 精品av中文字幕在线毛片| 欧美日韩少妇| 91精品国产91久久久久久一区二区| 蜜桃999成人看片在线观看| 欧美精品色哟哟| 日韩漫画puputoon| 久久免费美女视频| 欧美在线视频在线播放完整版免费观看| 手机免费看av网站| 男人的天堂在线视频| 亚洲全部视频| 精品福利av导航| 日韩a级黄色片| 午夜精品久久久久久久99老熟妇 | 久久久欧美一区二区| 最新免费av网址| 免费毛片在线| 日韩精品视频网站| 亚洲天堂av网| 亚洲第一狼人区| 污污软件在线观看| 久久蜜桃资源一区二区老牛| 日韩精品在线免费播放| av免费观看网| 天天综合入口| 模特精品在线| 中文字幕欧美日韩在线| 三级a三级三级三级a十八发禁止| 免费毛片在线| 美女脱光内衣内裤视频久久影院| 色阁综合伊人av| 精品综合久久久久| 男人的天堂在线视频免费观看 | www成人免费观看| 97成人超碰视| 国产成人在线一区| 青青操在线视频观看| 国产三级一区| 亚洲综合久久久久| 欧美二区三区在线| 中文字幕精品无码亚| 欧美日韩一区二区三区视频播放| 欧美日韩国产精品自在自线| 黄色影视在线观看| 最近最好的中文字幕2019免费| 亚洲大片在线| 国产一区二区精品丝袜| 自拍一级黄色片| 91www在线| 日本一区二区三区免费乱视频| 国产综合久久久久| 日本一级黄色大片| 精品国产一区探花在线观看 | 99re视频精品| 91在线中文字幕| 欧美精品一二三四区| 欧洲杯什么时候开赛| 日韩一区二区三区观看| 成人在线观看a| 黄色av网站在线播放| 91网站视频在线观看| 亚洲mm色国产网站| 波多野结衣爱爱| 综合久久综合| 日韩在线国产精品| 在线免费观看日韩av| 在线免费观看亚洲| 欧美亚洲综合另类| 狠狠干 狠狠操| 日本www在线观看| 久久夜色精品国产欧美乱极品| 亚洲一区亚洲二区| 自拍偷拍精品视频| 中文在线不卡| 欧美精品久久久久久久久久 | 午夜亚洲视频| 欧美激情免费视频| 午夜免费激情视频| 国产探花一区在线观看| 亚洲精品美女在线| 成人性生活免费看| 国产精品一区二区精品| 欧美精品亚洲一区二区在线播放| 欧美激情精品久久久久久小说| 怡红院在线播放| 亚洲精品你懂的| 大桥未久一区二区| 二区三区在线| 国产精品黄色在线观看| 亚洲一二区在线| 可以免费看污视频的网站在线| 成人午夜又粗又硬又大| 国产精品麻豆免费版| 欧美一级淫片aaaaaa| 国产一区视频在线看| 成人免费看片视频| 99精品免费观看| 乱一区二区av| 91最新国产视频| 亚洲精品国偷拍自产在线观看蜜桃| 日韩av一级片| 成人久久久久久| 亚洲AV无码国产精品午夜字幕 | 伊人网在线播放| 色婷婷香蕉在线一区二区| 可以免费观看av毛片| 久草免费在线视频| 色88888久久久久久影院野外| 国产精品欧美激情在线观看| 免费一二一二在线视频| 欧美性色综合网| 亚洲一区二区三区四区精品| 国外成人福利视频| 精品欧美一区二区久久| free性中国hd国语露脸| 欧美日韩夜夜| 日韩中文字幕在线观看| 国产一卡二卡在线播放| 99国产精品99久久久久久粉嫩| 欧美亚洲第一区| 亚洲图片中文字幕| 国产乱人伦偷精品视频免下载| 国产99视频精品免费视频36| 最新在线地址| 亚洲天天做日日做天天谢日日欢| 一卡二卡三卡视频| 亚洲优女在线| 3d成人动漫网站| 欧美成人三级伦在线观看| 亚洲精品亚洲人成在线| 日韩小视频网址| 国产亚洲欧美精品久久久www| 在线观看日韩av电影| 国产精品第七影院| 黄色av中文字幕| 国产拍揄自揄精品视频麻豆| www.激情网| 少妇一区视频| 亚洲精品福利在线观看| 欧美三级免费看| 久久激情一区| 韩日午夜在线资源一区二区 | 欧美五码在线| 欧美成人久久久| 黄色网址中文字幕| 国产91精品精华液一区二区三区 | 美日韩精品免费观看视频| 国产精品第5页| 国产在线看一区| 亚洲人一区二区| 黄视频网站在线观看| 日韩一二在线观看| 国产尤物在线播放| 日韩不卡免费视频| 免费亚洲一区二区| 国产盗摄一区二区| 日韩视频123| 加勒比av在线播放| 久久精品国产免费| 制服丝袜综合日韩欧美| 乡村艳史在线观看| 日韩精品一二三四区| 日韩无码精品一区二区三区| 国产综合一区二区| www亚洲国产| 国产精品毛片久久久久久久久久99999999| 日韩麻豆第一页| 久久一区二区三区视频| 国产大陆a不卡| 久艹在线免费观看| 麻豆一区在线| 欧美激情视频一区二区| 亚洲爆乳无码一区二区三区| 亚洲日本丝袜连裤袜办公室| 日本少妇激三级做爰在线| 欧美一区二区三区激情视频| 国产精品久久久久久搜索| 蜜桃成人在线视频| 欧美色图第一页| www.av免费| 国产精品一区二区久久不卡| 男人添女人下部视频免费| 日韩三级网址| 97视频在线观看免费高清完整版在线观看| 亚洲av片在线观看| 午夜欧美视频在线观看| 久久av无码精品人妻系列试探| 性欧美精品高清| 一区二区三区在线视频看| 天天综合91| 992tv在线成人免费观看| 午夜在线观看91| 欧美日韩视频在线一区二区| 国产人妻精品一区二区三区不卡 | 亚洲精品人成| 国产剧情一区二区在线观看| 国语自产精品视频在线看| 伊人网在线视频| 555www色欧美视频| 日韩av电影网址| 久久久久久日产精品| 蜜桃视频无码区在线观看| 1000部精品久久久久久久久| 亚洲人一区二区| 玖玖玖视频精品| 日本最新高清不卡中文字幕| 1024视频在线| 亚洲精品视频二区| 国产 欧美 自拍| 色婷婷久久一区二区三区麻豆| 91视频综合网| 91片在线免费观看| 中文字幕18页| 日韩激情一区二区| 成人中文字幕在线播放| 波多野结衣在线播放一区| 精品国产一区二区三区麻豆免费观看完整版 | 91亚洲天堂| 日韩视频免费观看| 天天在线女人的天堂视频| 日韩美女主播在线视频一区二区三区 | 欧美亚洲国产一卡| 成人午夜淫片100集| 国产精品久久夜| 中文字幕网站在线观看| 国产成人啪午夜精品网站男同| 日韩一级理论片| 精品91久久久久| 亚洲av首页在线| 国产一区二区精品福利地址| 国产一区福利视频| 欧美高清影院| 国产精品久久久久久久电影| 羞羞电影在线观看www| 久久精品久久久久久国产 免费| 亚洲电影小说图| 亚洲精品在线免费播放| 丁香六月天婷婷| 56国语精品自产拍在线观看| 91丨九色丨丰满| 在线亚洲免费视频| 国产一级片av| 一本大道综合伊人精品热热| 五月天婷婷久久| 午夜日韩在线电影| 成人免费区一区二区三区| 一区二区高清视频在线观看| 久草视频手机在线| 国产精品青草久久| 国产探花视频在线| 国产三级精品三级在线专区| 69视频在线观看免费| 久久先锋影音av鲁色资源网| 欧美激情aaa| 久久久精品人体av艺术| 亚洲无人区码一码二码三码的含义| 91小视频在线| 超碰97av在线| 亚洲欧洲色图综合| 久久国产精品波多野结衣av| 亚洲综合丝袜美腿| 99久在线精品99re8热| 日韩欧美在线视频日韩欧美在线视频|