Some people can stay up all night and still g...

Some people can stay up all night and still get work done the next day. I’m not one of them. After a night without enough sleep, I feel bad-tempered. I have trouble remembering things. And all I want to do is go to bed.

How do you feel after you’ve stayed up late to finish schoolwork or the day after an overnight party? Scientists now say that your answers to these questions may depend on your genes.

New research suggests that a gene called “period 3” influences how well you function without sleep. The “period 3” gene comes in two forms: short and long. Everyone has two copies of the gene. So, you may have two longs, two shorts, or one of each. Your particular combination depends on what your parents passed on to you.

Scientists from the University of Surrey in England studied 24 people who had either two short or two long copies of “period 3”. Study participants (参与者) had to stay awake for 40 hours straight. Then, they took tests that measured how quickly they pushed a button when numbers flashed (闪过) on a screen and how well they could remember lists of numbers.

Results showed that the people with the short form of “period 3” performed much better on these tests than the people with the long form did. In both groups, people performed worst in the early morning.

After the first round of experiments, participants were finally allowed to sleep. People in the group that performed well on the tests (those with the short form of “period 3”) took about 18 minutes to nod off.

While people with the long “period 3” gene fell asleep in just 8 minutes. They also spent more time on deep sleep. That suggests that people with the long form of the gene need more and deeper sleep to keep their brains working in top form.

I think I must have the long form of “period 3”. What about you?

1.The purpose of this passage might be ___________

A.    to tell us the importance of plenty of sleep.

B.    to tell the result of a research on sleepy gene.

C.     to inform the harm of lacking sleep.

D.    to announce the sleeping rules of humans.

2.What kind of people need less sleep according to the research?

A.    Those with two short copies of the gene.

B. Those with two long copies of the gene.

C. Those with one short and one long copy of the gene.

D. Those with three short copies of the gene.

3.If one lacks enough sleep, one should avoid doing important or dangerous things ___________.

A. at noon               B. at night

C. in the afternoon           D. at dawn

4.Why did the writer think he or she had the long form of “period 3”?

A.    Because the writer could remain energetic without enough sleep.

B. Because the writer could do things correctly at dawn.

C. Because the writer needed more sleep to keep energetic.

D. Because the writer recovered quickly after sleep.

高二英语阅读理解简单题查看答案及解析

Emergency line operators _______ always stay calm and make sure that they get all the information they need to send help.

A．can              B．would            C．must             D．might

高二英语单项填空简单题查看答案及解析

Have you ever stayed up late? If so, you know that not getting enough sleep can leave you tired and grumpy . Not sleeping enough can also make it harder to think clearly the next day.

Sleep experts have long known that getting a good night’s sleep is important.

It helps kids perform their best during the day. A recent study shows that sleep helps improve problem--- solving skills and creative thinking.

For the study, two groups of volunteers answered a math problem. The group that slept for eight hours solved the problem correctly more often than the group that did not get enough sleep.

While you sleep, your brain is busy doing its “homework”. It sorts out information from your day. Getting enough sleep each night can boost your brainpower. That will help you do your best in school. Experts say that, in return, can lead to better grades.

1.What is the best title for the passage?

2.The underlined word “boost” in paragraph 5 means ________.

3.Why is sleep important?

4. What did the results of a recent sleep study show?

高二英语阅读理解中等难度题查看答案及解析

Some young people ____ a good salary in a job at home instead of working hard day and night abroad, but they chose to go abroad.

A. must make         B. could have made

C. should have made    D. would make

高二英语单项填空简单题查看答案及解析

There are many reasons why people can’t get a good night’s sleep and as with any other health conditions, things are not likely to improve until you find a way to break the cycle.

1..

Worry and stress

We have all been kept awake by many factors that cause worry and stress in our lives. Money problems, relationship issues and work stresses can have you sitting up all night.

2.. Keep a pen and paper next to your bed and before you go to sleep, write down your thought and worries, create a to-do list for the following day or set down solutions and ideas that relate to work.

Diet and eating patterns

What and when you eat can have a major impact on your ability to sleep. 3.. These foods take a long while to digest and the after effects of indigestion and heartburn are not going to set you up well for a good quality sleep.

Alcohol and caffeine

Tea, coffee and energy drinks contain caffeine that helps to stimulate the nervous system and make you more alert, which is great if you need a pick-me-up. Dosing up on caffeine during the day can affect your ability to sleep later on in the evening. Alcohol is a double-edged sword when it comes to sleep. 4..

5.

“Your bedroom should be dark once the lights are switched off because melatonin, a sleep-regulating hormone, is very light-sensitive. Maintaining the right temperature can also help with sleep as a room that is too hot may prevent your core temperature from going down, which is essential for switching on the sleep mechanism within the body.

A. Bedroom light

B. Bedroom environment

C. The following are some ways to improve the situation

D. A useful habit is to download your thoughts at the end of the day

E. These are some of the main factors that need to be addressed

F. Eating too late or taking in a rich or spicy meal can keep you awake

G. While a little may help to result in sleep, even in small amounts it can cause broken sleep patterns

高二英语七选五中等难度题查看答案及解析

There are many reasons why people can’t get a good night’s sleep and as with any other health conditions, things are not likely to improve until you find a way to break the cycle.

These are some of the main factors that need to be addressed.

Worry and stress

We have all been kept awake by many factors that cause worry and stress in our lives. Money problems, relationship issues and work stresses can have you sitting up all night. A useful habit is to download your thoughts at the end of the day. Keep a pen and paper next to your bed and before you go to sleep, write down your thought and worries, create a to-do list for the following day or set down solutions and ideas that relate to work.

Diet and eating patterns

What and when you eat can have a major impact on your ability to sleep. Eating too late or indulging in a rich or spicy meal can keep you awake. These foods take a long while to digest and the after effects of indigestion and heartburn are not going to set you up well for a good quality sleep.

A research suggests that both calcium and magnesium may be linked to poor sleep. Even low intakes of magnesium found in green vegetables, beans, nuts and seeds have been shown to make it harder to stay asleep. Calcium is found in dairy foods, soybeans and green vegetables and low levels have also been shown to make it more difficult to nod off.

Alcohol and caffeine

Tea, coffee and energy drinks contain caffeine that helps to stimulate the nervous system and make you more alert, which is great if you need a pick-me-up. Dosing up on caffeine during the day can affect your ability to sleep later on in the evening. Try limiting your intake of caffeine to the morning and switch to decaffeinated options such as herbal teas. Alcohol is a double-edged sword when it comes to sleep. While a little may help to induce slumber, even in small amounts it can cause fragmented sleep patterns.

Bedroom environment

“Your bedroom should be dark once the lights are switched off because melatonin, a sleep-regulating hormone, is very light-sensitive. Maintaining the right temperature can also help with sleep as a room that is too hot may prevent your core temperature from going down, which is essential for switching on the sleep mechanism within the body.

1.Which of the following is TRUE according to the passage?

A. Melatonin is a chemical in our bodies that disturbs our sleep.

B. The lower the temperature is, the easier you will find it to sleep.

C. Drinking a little coffee in the morning may not affect your sleep at night.

D. You should eat more vegetables and wholegrains for supper to get a better sleep.

2.The passage can be found in the column of ________ in a newspaper.

A. Science　　 B. Health　　 C. Fashion　　 D. Education

高二英语阅读理解简单题查看答案及解析

We all have weaknesses and strengths—no matter who we are .Some get sick easily.

Some are 36  people in communication, struggling with 37 .

Sometimes weaknesses seem to outweigh (胜过)the strengths and sometimes it’s the other way around. 38  ,facing huge limitations, many people tend to 39  it  as just bad luck ---but not everyone. Those who rise over their weaknesses can still manage to 40  extraordinary things.

I 41  a school prize –giving ceremony and the guest speaker was Andrew Becroft, 42had a severe stutter (结巴 ) as a child . 43  allowing this to limit  him , he chose to overcome it. Now he is a famous judge . Not only 44  he become  successful, but he did so in a profession 45  he had to speak before others regularly. Had he not worked on his 46  ability, it would have been very limiting to his success in life and work.

Many people face far huger limitations, such as loss 47  legs or arms , being born extremely poor, 48you do. But whatever the limitation, you’ll 49find people who have overcome it. Helen Keller, who fell 50and lost  her sight and hearing at 19 months old, worked hard to be a famous woman with great 51  . Mark Inglis lost both his legs in a mountain climbing accident, 52  has since climbed Mt. Everest.

If one of them had told you what they hoped to achieve, you would have nodded kindly while 53  thinking to yourself that they had no chance . And yet the results speak for 54  .

Though most of us will never have to face such challenges , yet most of us will never achieve to the 55  that these people have either if we never seriously think of what we can do.

19.A. yourself        B, ourselves         C. themselves       D. itself

高二英语完型填空困难题查看答案及解析

阅读下面短文并回答问题（请注意问题后的词数要求 ）

[1] You can never get to peace and security without first knowing all of the good things in your life. So you need to learn how to appreciate your life and here are some simple steps you can take to achieve this goal.

Work hard to have an attitude of gratitude.

[2] As you learn to appreciate the small things in your life, you’ll find a sense of happiness. You’ll also find it easier to appreciate the big things in your life, which will help you appreciate your life as a whole.

[3] To begin with, find five things to be grateful for each day. Call this your “Gratitude List,” and write it down before bedtime. At first,  ________ to find even just five things to be grateful for. That’s okay. You won’t learn how to appreciate your life over night, just like you didn’t become dissatisfied over night either. List small things, and go from there. The longer you keep a “Gratitude List,” the easier it will be to find things to put on it. Soon you’ll be able to list more things than you thought!

Learn to appreciate others.

[4] Take note when someone does something nice for you. If anyone does a job that’s normally yours, stop and thank them sincerely. Value the moment, and look for other opportunities to find the good in others. This will help you appreciate the people around you, who are also part of your life.

Appreciate yourself.

[5] This can be extremely hard, especially with all the criticism we hear from others. Appreciation also includes respect and you can’t appreciate or truly enjoy your life if you don’t respect yourself . So, think of one small thing you can appreciate about yourself every day, and take the time to really enjoy it. Be thankful for it, and know you’re learning how to really appreciate your life.

[6] It takes 30 fays of doing something before it becomes a habit. But after this, keeping a “Gratitude List,” appreciating others, and admiring yourself will become second nature to you. In no time, you’ll realize you know how to appreciate your life.

1.What is the main idea of the text?(no more than 10 words)

________

2.Complete the following statement with words from Paragraph 2.(no more than 5 words)

________

3.How can we learn to appreciate others around us?(no more than 10 words)

________

4.Fill in the blank in Paragraph 3 with proper words.(no more than 4 words)

________

5.What does the word “it”(Line 4, Paragraph 5 ) probably refer to?(no more than 4 words)

________

高二英语其他题中等难度题查看答案及解析

Life gets noisier every day and very few people can be free from noise of some sort or another. It doesn't matter where you live--in the middle of a modern city, or a faraway village--the chances are that you' ll be disturbed by jet planes, radios, oil - powered engines, etc. We seem to be getting used to noise, too. Some people feel quite lonely without background music while they' re working.

Scientific tests have shown that total silence can be a very frightening experience for a human being. However, some people enjoy listening to pop music which is very loud, and this can do harm to their eardrums(耳鼓). The noise level in some discos is far above the usual safety level for heavy industrial areas.

One recent report about noise and concentration(专心) suggested that although a lot of people say that any noise disturbs their concentration, what really influences their ability to concentrate is a change in the level of noise. It goes on to say that a background noise which doesn't change too much(music, for example) may even help people to concentrate.

1.According to this passage, the noise pollution .

A. has become the worst in the countryside     B. has become better in big cities

C. has spread from cities to villages         D. has been controlled in modern cities

2.Some people have their hearing harmed .

A. while listening to pop music            B. in complete silence

C. when speaking loudly                   D. while watching TV

3.Scientists have discovered that what prevents people from concentrating on something is .

A. all kinds of noise                       B. changes in the level of noise

C. background noise                         D. popular music

高二英语阅读理解中等难度题查看答案及解析

Life gets noisier every day and very few people can be free from noise of some sort or another. It doesn’t matter where you live-in the middle of a modern city, or a faraway village-the chances that you will be disturbed by jet aeroplanes, transistor radios, oil-powered engines, etc. are almost everywhere .We seem to be getting used to noise, too. Some people feel quite lonely without background music while they are working.

Scientific tests have shown that total silence can be very frightening experience for human beings. However, some people enjoy listening to pop music which is very loud, and this can do harm to their eardrums(耳鼓).The noise level in some disco is far above the usual safety level for heavy industrial areas.

A recent report about noise and concentration(专心) suggested that although a lot of people say that any noise disturbs their concentration, what really affects their ability to concentrate is a change in the level of noise. It goes on to say that a background noise, which doesn’t change too much (music, for example) may even help people to concentrate.

1.The best title for this passage is _______________.

A. Noisy Life                B. Background Noise

C. Disturbed Concentration   D. Changeable Noise

2.From this passage, the pollution of noise _______________.

A. doesn’t matter much                 B. has become worse everywhere

C. has become better in big cities          D. has become better in villages

3.“Background music” in the passage means _______________.

A. music played in the concert          B. a kind of noise coming into your ears

C. music helps people to concentrate    D. music played while people are working

4.Some people may have their hearing hurt _______________.

A. while they are in completely silence      B. while they are dancing violently

C. while they are listening to loud pop music  D. while they are listening to soft music

5.Scientists have discovered that what prevents people from concentrating is _____.

A. any kind of noise                B. great changes in level of noise

C. background noise                 D. various background music

高二英语阅读理解中等难度题查看答案及解析