题目内容

He would rather do his homework watching TV.

A. than B. rather than

C. instead D. instead of

D

【解析】

试题分析:句意:他宁愿做作业而不是看电视。would rather do sth(A) than do sth (B) 宁可做A这件事情,也不愿意做B这件事情。instead, (以某事)来替代,后面没有宾语,放在句子末尾。instead of,代替(某事),而不是,后面要接宾语,可放在句首或句末。所以选D。

考点:考查固定句型。

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Sometimes it may seem difficult to improve our health. If so, the following health habits may help you.

·Eat breakfast every morning.

Research shows that if you eat a meal in the morning you may not become too fat or eat too much during lunch. Dating breakfast can help people feel better through the day.

·Get enough sleep.

Poor sleep can influence our memory and learning. It can also cause traffic accident! Studies show that people who don’t get enough sleep seem to get into more accidents. So stay safe and get enough sleep!

·Take a walk every day.

Walking is an easy way to exercise. You’d better meet friends for a walk, not for a meal. As you walk, you will see the beautiful world around you. Once you try, you will find that adding a walk into your daily life is very easy.

·Join social groups.

Social groups can provide support. They might include sport teams, art or music groups. The people in the group can offer advice and can help each other in difficult times. Also, being in a group keeps your mind busy. An active mind is a healthy mind!

·Have a hobby.

A hobby could be running, reading or making something with your hands. Hobbies help people to relax and rest. Hobbies bring us joy as well.

1.You may have a good memory and learn better if you________.

A. eat breakfast every morning

B. have a good sleep

C. take a walk every day

D. join a social group

2.If you need help and want to help others, you’d better _______.

A. invite your friend to a meal

B. make something with your friends

C. become a member of a social group

D. have a hobby

3. Which of the following is TRUE?

A. If you have breakfast every morning, you’ll be fat.

B. All the traffic accidents are caused by poor sleep.

C. To join a social group helps you keep healthy.

D. Having a hobby is the best way to relax.

4. The passage is mainly written for ________.

A. students at school

B. people who don’t like running

C. students who never have breakfast

D. people who want to improve health

5.Which is the best title(标题)of the passage?

A. Ways to Improve Your Health

B. Reasons for Keeping healthy

C. Good Habits

D. Breakfast and Exercise

Did you hear of the supercomputer? Recently, China’s Tianhe-1 (天河一号) was ranked as the world’s fastest supercomputer, according to a new list of world’s TOP 500 supercomputers.

It took 200 Chinese scientists two years to build the fastest supercomputer. It can do 2,507 trillion (万亿次) calculations in a second! That means it will take a personal computer 600 years to finish the work that a supercomputer does in a day!

The US now leads the world in the area of supercomputers. It is home to more than half of the world’s top 500 supercomputers. Japan also has advanced technology. China is developing its supercomputer technology quickly. But experts say it will take years before China’s total computing power can catch up with that of the US.

Supercomputers can work on many different things. They can solve problems in areas like national defense (国防), energy and science. In business, you can also use supercomputers. Oil companies use them to find oil and gas. Banks use them for quick trades. Food companies even use supercomputers to make sure that they put potato chips into cans without breaking them.

To make a supercomputer, scientists first need to link (连接) thousands of small computers together. Then they use software to turn them into one supercomputer. In fact, any person with enough knowledge about computers can make a supercomputer. But you need the top technology to make a supercomputer run fast.

1.The world’s fastest supercomputer ________.

A. was made in America

B. was made within two months

C. can do 2,507 trillion calculations in a minute

D. was made by 200 Chinese scientists

2.Among the world’s top 500 supercomputers, ________ of them are made in the US.

A. less than 20% B. more than 50%

C. less than 50% D. more than 20%

3.The main idea of the fourth paragraph is ________.

A. supercomputers can be used in different kinds of areas

B. supercomputers can work fast

C. supercomputers can only be used to find oil and gas

D. supercomputers can be used to make money

4.According to the passage, to make a supercomputer, ________.

A. you needn’t know enough knowledge about computers

B. you need to know how to play computer games

C. scientists first need to link thousands of small computers together

D. scientists first need to make some software

5.Which of the following is true?

A. A personal computer needs 300 years to finish the work that a supercomputer does in a day.

B. Japan now leads the world in the area of supercomputers.

C. Supercomputer can be used by food companies.

D. Scientists needn’t use software to turn small companies into one supercomputer.

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