This is something really invisible, ?
A．is it B．is 
this C．isn't this D．isn't it
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优化作业上海科技文献出版社系列答案科目：高中英语 来源：2010—2011学年广东省广州市高二下学期期末教学质量检测（七区联考）英语卷 题型：完型填空
We have known for a long time that flowers of different plants open and close at different times of day. This is so 1 that there seems to be no need to ask the reason for it. Yet no one 2 understands why flowers open and close like this at particular times. The process is not as 3 as we might think, as recent experiments have shown. In one study, flowers were kept in constant 4 . We might expect that the flowers, without any information about the time of day, did not open as they 5 do. As a matter of fact, they 6 to open at their usual time. This suggests that they have some mysterious(神秘的) way of k
nowing the 7 . Their sense of time does not 8 information from the outside world; it is, so to speak, inside them, a kind of “inner clock”.
This 9 may not seem to be very important. However, it was later found that not just plants but also 10 , including man, have this “inner clock” which 11 the working of their bodies and influences their activities. Men, then, are also influenced by this mysterious 12 . Whether we wish it or not, it affects such things in our life as our need for sleep, our need for food.
In the past, this did not really 13 because people lived in natural condition. In
the 14 world, things are different; now there are spacemen, airplane pilots and, in ordinary life, a lot of people who have to work at night. It would be very 15 , then, to know more about the “inner clock”. Such things as flowers might help us understand more about ourselves.
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科目：高中英语 来源：2010年河南省周口市高二上学期期中考试英语卷 题型：阅读理解
Dear Alice,
You really have two different questions here, so we’ll discuss them one at a time. Your problems at school may be a result of a number of things . You don’t say much about how these classmates get along with each other. It’s possible that all the students are feeling a little cautious(谨慎的) in the first term.
It’s also possible that the others are unkind. If this is so, you have to find out why you are the class “outsider”.
In your letter you say you often offer to help others with their work. Is it possible that your classmates don’t understand your offers? Could it seem that you were trying to “ buy” friends with these offers?
Is it possible that you took no notice of your classmates when you had your good friends near you ? They may have felt hurt at that time. It may take a time for them to believe in you if so. Try to ask one classmate directly what the problem is. If you hear a negative answer, at least you’ll know what to do.
Yours truly,
Shelia
【小题1】From the letter we know that Alice was very _______.
| A．lucky | B．unkind | C．clever | D．unhappy |
| A．Alice wasn’t pleased with her teachers . |
| B．Alice’s parents made her study too hard. |
| C．Alice didn’t get along well with her classmates |
| D．Alice didn’t want to go to school any more |
| A．Alice felt her classmates weren’t kind to her. |
| B．Alice was very warm-hearted to help her classmates |
| C．Alice didn’t want to get along well with her classmates. |
| D．Alice asked two questions in her letter |
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科目：高中英语 来源：2012-2013学年河北省正定中学高二第二次月考英语试卷（带解析） 题型：阅读理解
Do you find getting up in the morning so difficult that it’s painful? This might be called laziness, but Dr. Kleitman has a new explanation. He has proved that everyone has a daily energy cycle.
During the hours when you labor through your work you may say that you’re "hot". That's true. The time of day when you feel most energetic is when your cycle of body temperature is at its peak. For some people the peak comes during the morning. For others it comes in the afternoon or evening. No one has discovered why this is so, but it leads to such familiar monologues as “Get up, John! You’ll be late for work again!” The possible explanation to the trouble is that John is at his temperature-and-energy-peak in the evening. Much family quarrelling ends when husbands and wives realize what these energy cycles each member of the family has.
You can’t change your energy cycle, but you can learn to make your life fit it better. Habit can help, Dr. Kleitman believes. Maybe you’re sleepy in the evening but you must stay up late anyway. Counteract your cycle to some extent by habitually staying up later than you want to. If your energy is low in the morning but you have an important job to do early in the day, rise before your usual hour. This won't change your cycle, but you'll get up steam and work better at your low point.
Get off to a slow start which saves your energy. Get up with a leisurely yawn and stretch. Sit on the edge of the bed a minute before putting your feet on the floor. Avoid the trouble of searching for clean clothes by laying them out the night before. When ever possible, do routine work in the afternoon and save tasks requiring more energy or concentration for your sharp hours.
【小题1】What is the best title of the passage?
| A．Change Your Habits | B．Save Your Energy |
| C．Daily Energy Cycle | D．Temperature-and-energy Peak |
| A．he is a lazy person |
| B．he refuses to follow his own energy cycle |
| C．lie is not sure when his energy is low |
| D．he is at his peak in the afternoon or evening |
| A．Unawareness of energy cycles |
| B．Familiar monologues. |
| C．A change in a family member's energy cycle. |
| D．Attempts to control the energy cycle of other family members. |
| A．change his energy cycle | B．overcome his laziness |
| C．get up earlier than usual | D．go to bed earlier |
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科目：高中英语 来源：2014届福建省高一下学期期中考试英语试卷（解析版） 题型：阅读理解
Recently Dr. Cleiman has proved that everyone has a daily energy cycle. During the hours when you labor (work) through your work, you may say that you are “hot”. That is true, the time of day when you feel most energetic is when your cycle of body temperature is at its peak (顶峰). For some people the peak comes during the forenoon (上午前). For others it comes in the afternoon or evening. No one has discovered why this is so.
Much family quarrelling ends when husbands and wives realize what this energy cycle means and which cycle each member of the family has.
You cannot change your cycle, but you can learn to make your life fit it better. “Habits can help,” Dr. Cleiman believes. If your energy cycle is low in the morning but you have an important job early in the day, rise before your usual hour, and then you will work better at your low point.
Get off to a slow start which saves your energy. Get up with a lazy yawn(哈欠) and stretch(伸展). Sit on the edge of bed before putting your feet on the floor. Avoid the troublesome searching for clean clothes by laying them out the night before.
1.Dr. Cleiman did not explain in the passage ___________.
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A．how people can make their life fit their cycle |
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B．whether everyone has a daily cycle or not |
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C．why people have their energy cycle at different times |
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D．what will happen in the family if the couple fail to realize which cycle each member has |
2.For what reason may husbands and wives quarrel with each other?
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A．Either of them gets up late in the morning. |
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B．Husbands and wives have different cycles of energy. |
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C．Either of them wants to change the cycle of the other’s. |
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D．They do not know which cycle they themselves have. |
3.According to the passage, ____________.
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A．one works better at one’s peak energy point |
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B．if you know your cycle you can change it to fit your life. |
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C．whenever you feel hot, your energy cycle reaches the highest |
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D．your energy cycle must be in the morning if you can get up early |
4.Which of the following can save your energy in the morning?
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A．Getting up late. |
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B．Jumping out of bed as quickly as possible. |
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C．Looking for clean clothes. |
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D．Sitting for a while before getting out of bed. |
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科目：高中英语 来源：浙江省富阳市2009-2010学年高一5月教学质量检测试题（英语） 题型：阅读理解
An American man from Las Vegas opened a dog and cat hotel recently. Pats can rest on soft rugs(小地毯), watch television and get to know some new friends while their masters have fun in the city
The American Dog and Cat Hotel opened officially on a Wednesday in March. There is everything a pet could want --- and more.
“We hear time and time again. ‘This is so nice, I’d like to stay here.’ ” the hotel manager said in an interview. He believed that people would want for their pets what they wanted for themselves.
Kennels(狗舍) have been around for a long time, but nowadays masters want to put their loved pets in some better places, he added.
He said the cats and dogs like to watch images(图像) on TV although they may not understand them. Anyway, they don’t have to know Britney Spears or Emimem to enjoy the pop music. Also, “The dogs don’t know it is a rug, but they know it is soft,” he said.
Pet masters can book a dog suite(套房) for $79 a night. Baths and other services are also offered.
The pet hotel manager believes that all the animal lovers in the world will love this great idea.
1. By “--- and more” in the last sentence of the 2nd paragraph the writer means that ______.
A. there’re also things for the pet masters
B. some of the things are unnecessary
C. there’re things a pet cannot fully enjoy
D. all the things are plenty in amount
2. In the pet masters’ opinion, the kennels are _____.
A. not good enough B. too old to live in
C. just an equal choice D. no longer in existence
3. The 5th paragraph suggests that ______.
A. some pets know some pop stars
B. “rug” is a difficult word for a pet to learn
C. pets enjoy things the same way humans do
D. pets enjoy things at a sensational level
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