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40．A on B．or C．with D．for 【查看更多】

Read the suggestions for making an English speech.
a. Looking at and talking to one person in the audience (觀眾) helps keep you natural, but it feels foolish talking to only one person. Speak to that person as long as 15 seconds and then change another one.
b. The audience have a hard time understanding what they hear. They need your help. Slow down, pause(停頓) and guide the audience through your talk. Remember that you should help the audience understand what you are saying.
c. Make your voice a little lower than normal. Listeners like to listen to a relatively(相對) deep voice.
d. When you talk, try to be as natural as possible. Don’t try to memorize your words and read or recite(背誦) them to your audience. You can use short notes to help you remember the important points.
e. You should know you and most of the people you talk to are different in many ways. Some of them may not know what you are talking about. Then speak to them on their terms and in their languages.
f. Concentrate on what you want to say. If you are always paying attention to gestures(手勢),you will feel uncomfortable.
g. It’s true that there are some differences between American English and British English, but they’ll not cause much difficulty for listeners, so just speak the way you’re used to.
Choose a suggestion for each of the following students according to their problems.
【小題1】Paul: I don’t think I can talk fluently(流利) because it’s difficult for me to remember all the words.

A．a

B．b

C．c

D．d

【小題2】Billy: When I come face to face with the audience, where should my eyes fall upon? Do I have to look front, or look around from time to time?

A．a

B．c

C．e

D．f

【小題3】Amy: When I am talking, I can’t help waving(揮動)my hands, for I think it can help me express what I want to say better. But my classmates say I look funny and foolish by doing this.

A．d

B．e

C．f

D．g

【小題4】Betty: I know that it’s not right to speak fast. But I am afraid that I can’t finish my talk in the given time if I speak slowly.

A．b

B．d

C．f

D．g

【小題5】Tony: Should I talk in American English or British English?

A．a

B．b

C．c

D．g

查看答案和解析>>

Read the suggestions for making an English speech.

a. Looking at and talking to one person in the audience (觀眾) helps keep you natural, but it feels foolish talking to only one person. Speak to that person as long as 15 seconds and then change another one.
b. The audience have a hard time understanding what they hear. They need your help. Slow down, pause(停頓) and guide the audience through your talk. Remember that you should help the audience understand what you are saying.
c. Make your voice a little lower than normal. Listeners like to listen to a relatively(相對) deep voice.
d. When you talk, try to be as natural as possible. Don’t try to memorize your words and read or recite(背誦) them to your audience. You can use short notes to help you remember the important points.
e. You should know you and most of the people you talk to are different in many ways. Some of them may not know what you are talking about. Then speak to them on their terms and in their languages.
f. Concentrate on what you want to say. If you are always paying attention to gestures(手勢),you will feel uncomfortable.
g. It’s true that there are some differences between American English and British English, but they’ll not cause much difficulty for listeners, so just speak the way you’re used to.

Choose a suggestion for each of the following students according to their problems.
【小題1】Paul: I don’t think I can talk fluently(流利) because it’s difficult for me to remember all the words.

A．a

B．b

C．c

D．d

【小題2】Billy: When I come face to face with the audience, where should my eyes fall upon? Do I have to look front, or look around from time to time?

A．a

B．c

C．e

D．f

【小題3】Amy: When I am talking, I can’t help waving(揮動)my hands, for I think it can help me express what I want to say better. But my classmates say I look funny and foolish by doing this.

A．d

B．e

C．f

D．g

【小題4】Betty: I know that it’s not right to speak fast. But I am afraid that I can’t finish my talk in the given time if I speak slowly.

A．b

B．d

C．f

D．g

【小題5】Tony: Should I talk in American English or British English?

A．a

B．b

C．c

D．g

查看答案和解析>>

Read the suggestions for making an English speech.

a. Looking at and talking to one person in the audience (觀眾) helps keep you natural, but it feels foolish talking to only one person. Speak to that person as long as 15 seconds and then change another one.
b. The audience have a hard time understanding what they hear. They need your help. Slow down, pause(停頓) and guide the audience through your talk. Remember that you should help the audience understand what you are saying.
c. Make your voice a little lower than normal. Listeners like to listen to a relatively(相對) deep voice.
d. When you talk, try to be as natural as possible. Don’t try to memorize your words and read or recite(背誦) them to your audience. You can use short notes to help you remember the important points.
e. You should know you and most of the people you talk to are different in many ways. Some of them may not know what you are talking about. Then speak to them on their terms and in their languages.
f. Concentrate on what you want to say. If you are always paying attention to gestures(手勢),you will feel uncomfortable.
g. It’s true that there are some differences between American English and British English, but they’ll not cause much difficulty for listeners, so just speak the way you’re used to.

Choose a suggestion for each of the following students according to their problems.
小題1:Paul: I don’t think I can talk fluently(流利) because it’s difficult for me to remember all the words.

A．a

B．b

C．c

D．d

小題2:Billy: When I come face to face with the audience, where should my eyes fall upon? Do I have to look front, or look around from time to time?

A．a

B．c

C．e

D．f

小題3:Amy: When I am talking, I can’t help waving(揮動)my hands, for I think it can help me express what I want to say better. But my classmates say I look funny and foolish by doing this.

A．d

B．e

C．f

D．g

小題4:Betty: I know that it’s not right to speak fast. But I am afraid that I can’t finish my talk in the given time if I speak slowly.

A．b

B．d

C．f

D．g

小題5:Tony: Should I talk in American English or British English?

A．a

B．b

C．c

D．g

查看答案和解析>>

Every time you turn on the television or take a ride in a car ,you could be adding to a problem called acid rain(酸雨). In this article, you’ll learn how acid is created, and how it affects us, and more importantly, what we all can do to prevent it.

How is acid rain created?

When people use fuels(燃料), such as coal and gasoline, poisonous gases are given off. When these gases mix with rain, acid rain forms. Many power stations burn fuels in order to create the electricity(電) that we use in our homes and offices every day. Cars and trucks also send these gases into the air when they burn gasoline .When rain mixes with these gases, harmful things called acids form. This is acid rain.

How does acid rain affect us?

Acid rain damages(毀壞)everything that it touches. It poisons our rivers, ponds, lakes, and oceans along with all the life in them. It pollutes our soil and crops, harms trees, and can even kill fish and plants. Acid rain also eats away at buildings.

How can we prevent acid rain?

We need to cut down on the pollution that gets into our air. Turn off lights, television, and other electrical appliances if you are not using them, Walk or take a bike whenever possible. If you are travelling a long distance, take a bus or train to save fuel.

As research shows, acid rain harms our environment. But people everywhere can take small steps now to help protect our environment for future generations.

1.When power stations burn fuel, _______.

A．acid rain form B．air pollution is caused

C．noise pollution is caused D．acid rain gets heavier

2.What advice does the article give us?

A．Go to school on foot or by bike if we can.

B．Go to bed earlier in order to use less electricity.

C．Travel by bus to prevent acid rain.

D．Turn off the television on rainy days.

3.What is the best title of the article?

A．Preventing Acid Rain B．Forming of Acid Rain

C．Acid rain, Heavy Rain D．Acid Rain, Killer Rain

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A new study finds that plants communicate with one another to warn of danger.
We often consider plants as the furniture of the natural world. They don’t move; they don’t make sounds, they don’t seem to act on anything. But as is often the case, plants talk to each other all the time. And the language is chemical.
Over the years, scientists have reported that different types of plants, from trees to tomatoes, give out chemicals into the air to help neighboring plants. These chemical warnings can spread information about one plant’s disease or infestation(蟲害), so other plants can protect themselves. But how plants receive and act on many of the information exactly is still mysterious.
In this week’s Science Magazine, researchers in Japan offered some explanations. They have found out one chemical message and traced it all the way from beginning to end.
The scientists looked at tomato plants infested by a common pest(害蟲). To start out, they grew plants in two separate plastic spaces connected by a tube(管子). One plant was infested and placed upwind and the other was uninfested and placed downwind. The downwind plants were later exposed(暴露) to the pest. The results showed that plants near sick neighbors before were able to protect themselves better against the pest.
They found one chemical appeared more often in the exposed plants. The chemical is called HexVic. The scientists discovered where HexVic come from, and put it over healthy plants. Those plants were then able to produce HexVic. Researchers made sure that uninfested plants could fight off bugs and diseases. How do they know when to protect themselves? They are warned first by their friendly plant neighbors.
It is not a simple story, and it may be happening in more plant species than tomatoes. It may also be happening with more chemical signals that are still unknown to us. In a word, we know that plants not only communicate, but also look out for one another.

小題1:The underlined “traced” in the fourth paragraph probably means _________ here.

A．reported	B．followed
C．doubted	D．developed

小題2:For scientists, which are the right steps to watch tomato plants infested by a pest?
① Place the infested plant upwind.
② Place the uninfested plant downwind.
③ Expose the downwind plants to the pest.
④ Grow plants in two separate plastic spaces connected by a tube.

A．③①②④	B．①④③②
C．④①②③	D．④②①③

小題3:You can put the sentence “The researches also studied leaves from exposed plants and unexposed plants.” At the beginning of

A．Paragraph 3	B．Paragraph 4
C．Paragraph 5	D．Paragraph 6

小題4:Which of the following can be the best title of this passage?

A．Communicating Plants and Terrible Diseases

B．Talking Plants and Friendly Warnings

C．Protecting Plants and Clear Information

D．Growing Plants and Mysterious Chemicals

查看答案和解析>>

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