国产精品电影一区,国产成人精品免高潮在线观看,在线观看网站黄不卡

精英家教網 > 初中英語 > 題目詳情

Carbon monoxide poisoning (一氧化碳中毒) causes death and injuries around the world. This gas is a problem in all parts of the world that experience cold weather. A few years ago, America’s Centers for Disease Control (C. D. C.) studied deaths linked (聯系) with carbon monoxide poisoning. It found that the number of carbon monoxide deaths in the United States was greatest in January. The C.D.C. also found that carbon monoxide kills more than four hundred Americans each year. And, it said more than twenty thousand people are taken to hospital for treatment of health problems linked with the gas.
Carbon monoxide is called the silent killer because people do not know it is in the air. The gas has no color, no taste and no smell. It does not cause burning eyes. And it does not cause people to cough. Yet, carbon monoxide gas is very deadly (致命的). It steals the body’s ability to use oxygen.
Carbon monoxide makes it difficult for the blood to carry oxygen to body tissues (血管). It does this by linking with the blood. When the gas links with the blood, the blood is no longer able to carry oxygen to the tissues that need it. Damage (損害) to the body can begin very quickly from large amounts (數量) of carbon monoxide.
How quickly this can happen depend on how long a person is breathing the gas and how much gas he or she breathes in.
Carbon monoxide poisoning has warning signs(標志). But people have to be awake to realize them. Small amounts of the gas will cause a person’s head to hurt. He or she may begin to feel tired. Their stomachs may feel sick. The room may appear to be turning around. The person may have trouble thinking clearly.
People develop serious headache as the amount of the gas continues to enter their blood. They will begin to feel very tired and sleepy. They may have terrible stomachache.
Doctors say carbon monoxide influences people differently. For example a small child will experience health problems or die much sooner than an adult. The general health of the person or his or her age can also be important.
小題1:The damage of carbon monoxide to the body has something to do with _____.

A．the amount a person breathes in

B．whether a person is healthy

C．how many signs a person finds

D．ages of people

小題2:One of the signs of carbon monoxide poisoning is _____.

A．burning eyes	B．bad cough
C．serious headache	D．high fever

小題3:Which of the following is TRUE according to the passage?

A．Carbon monoxide poisoning seldom happens in cold areas.

B．Twenty thousand Americans are killed by carbon monoxide each year.

C．Most people know whether there is carbon monoxide in the air.

D．Carbon monoxide stops the blood from carrying oxygen to body tissues.

小題4:What does the passage mainly talk about?

A．Warning signs that carbon monoxide poisoning has.

B．Reasons why carbon monoxide can cause person’s death.

C．The damage of carbon monoxide and how it works.

D．Influences of carbon monoxide on children and adults.

小題1:A
小題2:C
小題3:D
小題4:C

小題1:根據文章內容Damage (損害) to the body can begin very quickly from large amounts (數量) of carbon monoxide.How quickly this can happen depend on how long a person is breathing the gas and how much gas he or she breathes in.可知答案為A
小題2:根據文章內容可知答案為C
小題3:根據文章內容答語可知答案為D
小題4:根據文章內容大意可知答案為C

練習冊系列答案

68所名校圖書小升初高分奪冠真卷系列答案

伴你成長周周練月月測系列答案

小升初金卷導練系列答案

年級	高中課程	年級	初中課程
高一	高一免費課程推薦！	初一	初一免費課程推薦！
高二	高二免費課程推薦！	初二	初二免費課程推薦！
高三	高三免費課程推薦！	初三	初三免費課程推薦！
更多初中、高中輔導課程推薦,點擊進入>>

相關習題

科目：初中英語 來源：不詳 題型：閱讀理解

閱讀理解

	A	B	O	AB
A	A,O	A,B,O,AB	A,O	A,B,AB
B	A,B,O,AB	B,O	B,O	A,B,AB
O	A,O	B,O	O	A,B
AB	A,B,AB	A,B,AB	A,B	A,B,AB

小題1:If both parents are blood type O, then their children must be _________.

A．blood type A

B．blood type B

C．blood type AB

D．blood type O

小題2: If a father is blood type A and a mother is blood type B, then children’s blood types may be ________.

A．any blood type	B．blood type A and B
C．blood type AB and O	D．blood type A,B and AB

小題3:If both parents are blood type AB, then their children can NOT be ________.

A．blood type A

B．blood type AB

C．blood type O

D．blood type B

小題4: If four children of the same parents are blood type A , B, O and AB, then their parents should be ________.

A．blood type A and B	B．blood type A and AB
C．blood type B and AB	D．blood type AB and AB

小題5: If one parent is blood type AB, and his or her nine children only get blood type A and B, then the other parent’s blood type is likely to be __________.

A．blood type A

B．blood type B

C．blood type AB

D．blood type O

查看答案和解析>>

科目：初中英語 來源：不詳 題型：閱讀理解

A famous study was done in a school by a professor （教授） from a university. At the start of the school year, the teachers were given the names of five children. They were told that these five were the most excellent students in the class. But the fact was that these students were only average(中等)，and they were not the best students at all. Well, guess what? At the end of the year, all the five average students scored among the highest in the class.
　　What made these average students change so much to become top students？The only difference was the change in their teachers’ attitude(態度). Because the teachers believed that these five kids were the top students，they expected(期望) more from them. And so these five average students began to believe and expect more from themselves. So they worked harder to do as well as they could.
　　Do you know why? If you expect the best from people, they’ll usually want to give you their best. A great leader said, “Treat(對待) a person just how he appears to be on the outside, and you’ll make him even worse. But treat a person like he’s already a success，and you’ll help make him the best he can be.”
　　Like the true story of 7-year-old Johnny, his teacher got so angry with him that one day she said，“Johnny，you’re the naughtiest(最頑皮的) boy in this class. I’m sure you’ll never change.” The next year Johnny had a new teacher. And on the first day of class，she met with Johnny after school and said，“Johnny, I’ve heard a lot about you! But do you know that I don’t believe a word of it.” And every day after that, this new teacher treated Johnny as if he was one of the smartest students even when Johnny did naughty things. Later on, Johnny became a school leader. Because that’s the power of our belief(信任) and attitude(態度) toward children.
小題1:The professor started his research(研究)by _______.

A．teaching the five children himself

B．asking the five children to find a new teacher

C．telling the five students to work harder than ever before

D．telling the teacher the five students were the best in the class

小題2:The five average students became top students mainly because of ________.

A．the professor’s study

B．the teachers’ hard work

C．the change in the teachers’ attitude

D．the change in the professor’s attitude

小題3:Why did the writer tell us the story of 7-year-old Johnny？

A．To let us know how good his new teacher was.

B．To show the importance of encouragement.

C．To show that the boy was clever enough.

D．To let us know the famous boy.

小題4:The writer writes the passage mainly by ______.

A．giving reasons and result

B．giving result and examples

C．describing what he thinks

D．asking and answering questions

小題5:What does the passage mainly tell us？

A．If you want to get more，you should have new teachers.

B．A professor’s study can help you score highest.

C．Only teachers can make you a top student.

D．Attitude and belief can change a person.

查看答案和解析>>

科目：初中英語 來源：不詳 題型：完形填空

No air means death. There is air around us 36 we can’t see it. Air is everywhere and it gives   37 　to every living thing. We can’t live 38  it. Bad air makes people ill. We must have fresh air to keep us 39 .
In the city there are a lot of people and there are too many 40  running on the road. The gas which the car sends out is made up of(組成) bad gases. Every day we 41  it in and        out. This makes us feel sick. There are many 42 , too. From the chimneys(煙囪) of these factories, we 43  get the smoke in black color. This kind of smoke is 44 to our health. So in order to keep us healthy, we have to go out to the   45  to breathe more fresh air. Or we can go up hills to get more fresh air.
小題1:A. because            B. though              C. so
小題2:A. life               B. name     　        C. pleasure
小題3:A. with               B. without         C. below
小題4:A. quiet              B. tall      　   C. healthy
小題5:A. dogs           B. trains     　 C. cars
小題6:A. breathe            B. draw      　   C. bring
小題7:A. animals            B. people          C. factories
小題8:A. usually 　　      B. never    　        C. seldom
小題9:A. helpful    　　    B. dangerous       C. necessary
小題10:A. office   　      B. city            C. Countryside

查看答案和解析>>

科目：初中英語 來源：不詳 題型：閱讀理解

In the UK, most children have their lunches at school, but in some schools, parents can choose what their children eat. The children can have a school dinner-a hot, cooked meal; or they can take a packed(包裝的) lunch with them, which usually includes cold food like sandwiches.
Often parents know what their children want. Cath, a mother of three children, told us, “My children have packed lunches because they say they don’t like to have school dinners. So I make three packed lunches every morning.”
However, another mother, Susan, made a different choice. She said, “My daughters have a always had school dinners. I think they probably get healthier food at school than a few sandwiches I make for them.”
But how healthy are school dinners? Kaz, a father, thought poorly of them. He said, “Fizzy(起泡的) drinks were offered and I think there were a lot of chips.”
Jamie Oliver spent a year working in a school kitchen. He was worried about the unhealthy food which included burgers, pizzas and chips. So he tried to cook healthy food such as good stews and curries for the children instead.
So Jamie improved the school dinners, and trained the dinner ladies to cook healthy food in that school. Then he advised the government to improve school food across the country. And it seems that the changes have begun.
Anna, a pupil, told us, “We used to have a fast food window where you got chips and coke, but they stopped that this year. There’s a salad restaurant, which is good, so it’s healthier than it was.”
根據材料內容選擇最佳答案，并將其標號填入前括號內。
小題1:How many meals do most children in the UK have at school?

A．One

B．Two

C．Three

D．Four

小題2: would like the children to have the school meals.

A．Cath

B．Susan

C．Kaz

D．Jamie

小題3:Jamie thought were healthy food.

A．stews and curries	B．burgers and pizzas
C．chips and fizzy drinks	D．sandwiches and coke

小題4:The last two paragraphs(段落) show that .

A．there’s a salad restaurant in every school

B．salad is the only healthy food for students

C．schools have begun to cook healthier food

D．the government doesn’t care about school dinners

小題5:What is the best title for this text?

A．Healthy Food	B．Unhealthy Food
C．Packed Lunches	D．School Dinners

查看答案和解析>>

科目：初中英語 來源：不詳 題型：閱讀理解

Like schools in China, American schools begin in September after a long summer vacation. The first term is from September to January and the second is from February to June. Usually American children begin to go to school when they are five years old. Most students are seventeen or eighteen years old when they finish high school.
But unlike middle school students in China, high school students in America take only four or five subjects each term. They usually go to the same classes every day and have homework for every class. After class they do all kinds of interesting things.
After high school, many students go to college. They may go to a small or a large one. They usually have to pay a lot for their higher education. So lots of students work after school to make money for their studies.
小題1:In America, summer vacation lasts（持續）___________________.

A．one month	B．two months
C．three months	D．more than three months

小題2:The underlined（下劃線的）word “college” means _________________ in Chinese.

A．大學

B．公司

C．研究院

D．高中

小題3:Many American students work after class, because they ___________________.

A．want to see interesting things

B．have to help the other people

C．want to make more friends

D．have to get money for their studies

查看答案和解析>>

科目：初中英語 來源：不詳 題型：閱讀理解

In most parts of the world, many students help their schools make less pollution. They join “environment clubs”. In an environment club, people work together to make our environment clear.
Here are some things students often do.
No-garbage lunches. How much do you throw away after lunch? Environment clubs ask students to bring their lunches in bags that can be used again. Every week they will choose the classes that make the least garbage and report them to the whole school!
No-car day. On a no-car day, nobody comes to school in a car--- not the students and not the teachers! Cars give pollution to our air, so remember: Walk, jog, bike or run. Use your legs! It’s lots of fun!
Turn off the water! Do you know that some toilets can waste twenty to forty m³ of water an hour! In a year, that would fill a small river! In environment clubs, students mend those broken toilets. We love our environment. Let’s work together to make it clean.
小題1:Environment clubs ask students _______.

A．to run to school every day

B．to take exercise every day

C．not to forget to take cars

D．not to throw away lunch bags

小題2:From the passage we know the students usually have lunch ______.

A．at school

B．in shops

C．in clubs

D．at home

小題3:On a no-car day, ______ will take a car to school.

A．both students and teachers	B．only students
C．no teachers and students	D．only teachers

小題4:After students mend toilets, they save________.

A．a small river

B．a club

C．a lot of water

D．a toilet

小題5:The writer wrote the passage to ask students to _______.

A．clean schools	B．make less pollution
C．join clubs	D．help teachers

查看答案和解析>>

科目：初中英語 來源：不詳 題型：閱讀理解

The best way of learning a language is using it .The best way of learning English is talking in English as much as possible. Sometimes you’ll get your words mixed up ( 混合)and people will not understand you .Sometimes people will say things too quickly and you can’t understand them. But if you keep your sense of humor (幽默感),you can always have a good laugh at the mistakes you make(你所犯的錯誤). Don’t be unhappy if people seem to be laughing at your mistakes（錯誤）. It is better for people to laugh at your mistakes than to be angry with you. because they don’t understand what you are saying .The most important thing for learning English is : “Don’t be afraid of making mistakes because everyone makes mistakes. ”
小題1:The writer thinks that the best way for you to learn a language is______.

A．writing

B．using it

C．listening

D．learning grammar

小題2:What should you do in learning English?

A．Be careful not to make any mistakes .

B．Write as quickly as you can .

C．Speak English as much as you can.

D．Laugh more often .

小題3:When people laugh at your mistakes, you should ___.

A．not mind

B．be angry

C．feel worried

D．be unhappy

小題4:The story tells us :”__________”.

A．Only foolish ( 愚蠢的 )people make mistakes

B．Few people make mistakes

C．People never make mistakes

D．There is no one who doesn’t make mistakes

查看答案和解析>>

科目：初中英語 來源：不詳 題型：閱讀理解

Are some people born clever, and others born stupid? Or is intelligence (智力) developed by our environment and our experience? Strangely enough, the answer to these questions is yes. In some degree, our intelligence is given to us at birth, and no education can make a genius (天才) out of a child born with low intelligence. On the other hand, a child who lives in a boring environment will develop his intelligence less than one who lives in rich environment. Therefore, the limits of person’s intelligence are fixed at birth, whether or not he reaches those limits will depend on his environment. This point of view, now is held by most experts.
It is easy to show that intelligence is something that we are born with. The closer the blood relationship between two people, the closer they are likely to be intelligence. If we take two strangers by chance from the population, it seems that their degree of intelligence will be completely different. If, on the other hand, we compare two twins, they will very likely be as intelligent as each other. Relations like brothers and sisters, parents and children, usually have similar intelligence, and this clearly suggests that intelligence depends on birth.
Imagine now that we take two twins and put them in different environments. We might send one, for example, to a university and the other to a factory separately where the work is boring. We would soon find differences in intelligence developing, and this shows that environment as well as birth plays an important role. This conclusion is also suggested by the fact that people who live in close contact (接觸) with each other, but who are not related at all are likely to have similar degree of intelligence.
小題1:How is man’s intelligence given?

A．At birth	B．Through education
C．Both at birth and through education	D．Neither at birth nor through education

小題2:What does the underlined word mean in the first paragraph?

A．穩固

B．確定

C．修理

D．安排

小題3:According the passage, if a child is born with low intelligence, what might happen to him later?

A．Become a genius.

B．Still become a genius if he should be given special education.

C．Reach his intelligence limits in rich environment.

D．Never reach his intelligence in his life.

小題4:What can we learn from the example of the twins going to a university and to a factory?

A．The importance of their intelligence.

B．The role of environment on intelligence.

C．The importance of their jobs

D．The part that birth plays

小題5:What statement is TRUE according to the passage?

A．No education can help make a genius.

B．Personality is important as intelligence which was given to people at birth.

C．People who have similar degree of intelligence must be relatives.

D．Environment influences people in intelligence developing.

查看答案和解析>>

同步練習冊答案

練習冊

高中

初中

小學