over the undecided voters, they are working twice as hard. [ ] A．Having won B．Won C．Winning D．To win 题目和参考答案——青夏教育精英家教网—

题目内容

_____ over the undecided voters, they are working twice as hard.

[　　]

A．Having won　　　　　　B．Won

C．Winning　　　　　　　D．To win

答案：D
解析：

不定式作目的状语。

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Damage to Ozone layer Gets Worse
In the middle of winter, when snow is falling in many parts of the United States, scientists have sounded a warning to people who plan to spend many hours in the sun this summer. The warning is: The sun’s summertime rays are more dangerous than once thought.
A team of scientists from 80 nations recently reported to the United Nations that a layer of ozone (臭氧层) in the atmosphere, which protects humans from harmful levels of ultraviolet radiation（紫外线辐射）, will be thinner over the United States this summer. The thinner layer allows more ultraviolet rays from the sun to reach Earth. The extra amount of ultraviolet radiation could cause an increase in the number of cases of skin cancer.
Scientists first became concerned about the ozone layer in the mid-1980s when a hole was discovered in the layer above Antarctica during the winter. The hole was caused by chemicals used in refrigerators and air conditioners. When these chemicals are sent out into the atmosphere, they produce gases that destroy the ozone.
Concern about the protective ozone layer rose more recently when data(数据) from satellites and ground stations showed that ozone levels were dropping over areas other than Antarctica. Low ozone levels were recorded in the spring and summer over the United States and over other populated areas in the world.
Although many countries have already begun stopping the use of ozone destroying chemicals, the new findings are expected to advance the timetable for a total ban(禁止) of the chemicals.
59.   The scientists have observed the ozone layer_____.
A. since 1980             B. since last winter
C. for about 20 years       D. for about one year
60. The ozone layer in the atmosphere can _____.
A. do a lot of good to human beings in many ways.
B. protect humans from diseases caused by bad weather.
C. do a lot of harm to human beings in the summer-time.
D. protect humans from harmful levels of ultraviolet radiation.
61. Scientists first found that there was a hole in the ozone layer_____.
A. above Arctic during the winter in the mid-1980s
B. above Antarctica during the winter in the mid-1980s
C. over somewhere in the north of the equator in 1980
D. over the U.S.A in the summertime in the mid-1980s
62.   The damage to the ozone layer was caused by_____.
A. the changeable weather
B. ozone-destroying chemicals
C. chemicals from refrigerators
D. chemicals from air conditioners

下面文章有5处需要填入合适的内容。请从以下选项（A、B、C、D、E和F）中选出最恰当的内容。
A. Keep your expectations realistic
B. Call a friend right before the date
C. Show up on time
D. Dress comfortably
E. Make eye contact
F. Telling the truth
Many of us get nervous just at the mention of a first date, but it really doesn't have to be such a big deal if you' re prepared. That's where this article comes in. After interviewing hundreds of singles all over the U.S about their first date experienced, we've put together a list of first date dos and don' ts to help out.
1. ___________
Staring at your hands, at the table, or at the guy in the blue shirt sitting at the next table doesn't exactly say "I dig you". You might do that out of shyness on your part, but keep in mind that the person sitting in front of you might not understand that and take it personally. Of course don't stare too hard, it might look a little freaky, but make sure your eyes meet often enough to keep both of you going.
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It' s never cool when someone keeps you waiting, so don't keep them waiting either. And NO-a fashionably late entrance will NOT make you look better. You'll just look rude and inconsiderate. If you' re feeling anxious before a date, keep in mind that your date might be feeling anxious as well, so don' t prolong their suffering any more than necessary.
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4. _____________
By comfort, I don't mean sweatpants and laundry-day underwear. But it is a first date, so you don' t want to be overdressed either. What if your date shows up in jeans and a sweater and you' re all about sequins, silk and spike heels? Instead, you should definitely go for a nice and attractive yet comfy outfit, with comfortable shoes. If you hit it off and go walking around, you want to avoid being cold or getting blistered feet. You can easily go for a casual but sexy look and pass the first date treat with flying colors.
5. _____________
If you didn't feel any sparks flying between the two of you, tell your date gently but honestly. Nobody's feelings should have to get hurt. On the other hand, if you did feel that you clicked, forget about the supposed "dating rules" that say you should wait a few days before calling him or her again. Listen to your heart and go ahead and call if you want to. If the feeling is mutual, your date will be happy, and maybe even relieved, that you picked up the phone first.

下面文章有5处需要填入合适的内容。请从以下选项（A、B、C、D、E和F）中选出最恰当的内容。

A. Keep your expectations realistic

B. Call a friend right before the date

C. Show up on time

D. Dress comfortably

E. Make eye contact

F. Telling the truth

Many of us get nervous just at the mention of a first date, but it really doesn't have to be such a big deal if you' re prepared. That's where this article comes in. After interviewing hundreds of singles all over the U.S about their first date experienced, we've put together a list of first date dos and don' ts to help out.

1. ___________

Staring at your hands, at the table, or at the guy in the blue shirt sitting at the next table doesn't exactly say "I dig you". You might do that out of shyness on your part, but keep in mind that the person sitting in front of you might not understand that and take it personally. Of course don't stare too hard, it might look a little freaky, but make sure your eyes meet often enough to keep both of you going.

2. ____________

It' s never cool when someone keeps you waiting, so don't keep them waiting either. And NO-a fashionably late entrance will NOT make you look better. You'll just look rude and inconsiderate. If you' re feeling anxious before a date, keep in mind that your date might be feeling anxious as well, so don' t prolong their suffering any more than necessary.

3. _____________

As exciting as dating someone new can seem, you' re better off not expecting to meet Prince Charming right off the hat. If you keep your expectations realistic, good date will be a pleasant surprise and lousy date won' t matter as much.

4. _____________

By comfort, I don't mean sweatpants and laundry-day underwear. But it is a first date, so you don' t want to be overdressed either. What if your date shows up in jeans and a sweater and you' re all about sequins, silk and spike heels? Instead, you should definitely go for a nice and attractive yet comfy outfit, with comfortable shoes. If you hit it off and go walking around, you want to avoid being cold or getting blistered feet. You can easily go for a casual but sexy look and pass the first date treat with flying colors.

5. _____________

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Damage to Ozone layer Gets Worse

In the middle of winter, when snow is falling in many parts of the United States, scientists have sounded a warning to people who plan to spend many hours in the sun this summer. The warning is: The sun’s summertime rays are more dangerous than once thought.

A team of scientists from 80 nations recently reported to the United Nations that a layer of ozone (臭氧层) in the atmosphere, which protects humans from harmful levels of ultraviolet radiation（紫外线辐射）, will be thinner over the United States this summer. The thinner layer allows more ultraviolet rays from the sun to reach Earth. The extra amount of ultraviolet radiation could cause an increase in the number of cases of skin cancer.

Scientists first became concerned about the ozone layer in the mid-1980s when a hole was discovered in the layer above Antarctica during the winter. The hole was caused by chemicals used in refrigerators and air conditioners. When these chemicals are sent out into the atmosphere, they produce gases that destroy the ozone.

Concern about the protective ozone layer rose more recently when data(数据) from satellites and ground stations showed that ozone levels were dropping over areas other than Antarctica. Low ozone levels were recorded in the spring and summer over the United States and over other populated areas in the world.

Although many countries have already begun stopping the use of ozone destroying chemicals, the new findings are expected to advance the timetable for a total ban(禁止) of the chemicals.

59. The scientists have observed the ozone layer_____.

A. since 1980 B. since last winter

C. for about 20 years D. for about one year

60. The ozone layer in the atmosphere can _____.

A. do a lot of good to human beings in many ways.

B. protect humans from diseases caused by bad weather.

C. do a lot of harm to human beings in the summer-time.

D. protect humans from harmful levels of ultraviolet radiation.

61. Scientists first found that there was a hole in the ozone layer_____.

A. above Arctic during the winter in the mid-1980s

B. above Antarctica during the winter in the mid-1980s

C. over somewhere in the north of the equator in 1980

D. over the U.S.A in the summertime in the mid-1980s

62. The damage to the ozone layer was caused by_____.

A. the changeable weather

B. ozone-destroying chemicals

C. chemicals from refrigerators

D. chemicals from air conditioners

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A. where visitors can pick up the clues

B. what people do during Mystery Weekend

C. when Mystery Weekend came into being

D. how the detectives try to clear up the case

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A. watch whales performing

B. take a ship to Clinton.

C. enjoy a wide variety of activities like dancing and singing

D. stay in hotels opened throughout the year

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A. is an event which happens once a year.

B. aims to decrease crime rate

C. is intended for detectives

D. offers visitors a chance to make money

4. What would be the best title for the passage

A. Langley B. Mystery Weekend C. Would-be detectives D. A murder

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