Those dinosaurs were only models, they looked very real.A.and B.but C.for D.or 题目和参考答案——青夏教育精英家教网—

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Those dinosaurs were only models, ________ they looked very real.

A.and B.but C.for D.or

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三、听下面两段对话，每段对话都有几个问题，从题中所给的A、B、C三个选项中选择最佳选项，对话读两遍。

1.When is his birthday?

A.In December. B.On 7th October. C.On 7th December.

2.Why does he like his birthday so much?

A.He has a big party. B.He can play games. C.He can get lots of presents.

（题文）The room ______________ as a meeting room.

A. used to being used B. was used to being used C. used to be used D. was used to be used

—________

—That’s a good idea.

A.Bob, let’s go and watch a movie after school.

B.Mum, I’ve won a second prize in the writing competition.

C.Kitty, don’t forget to lock the door before leaving the house.

D.Peter, I’d like to invite you to my birthday party tomorrow evening.

Tom promised that he ________ the dictionary to me this Saturday.

A.returned B.would return C.had returned D.was returning

It is impolite to make fun ________ disabled people.

A.on B.in C.with D.of

What is the most stressful thing in school? It is probably exams. Exams can put us under a lot of pressure. But some students do better under pressure. while others do not. So, why do some students perform better under stress?

It all comes down to dopamine(多巴胺). Dopamine is a chemical in our body that sends signals(信号) in the brain. It has many important roles: affecting memory, attention and how we learn. Our brains work best when there is a balance of dopamine--not too much or too little.

Our brains control dopamine in two ways. It either takes out dopamine quickly, or gradually. Exam success can be linked to how fast dopamine goes back to an even balance, according to new research from the University of Missouri, reported Yahoo.

What happens when we take an exam? If you become stressed, your brain will start to overload on dopamine. It is like a cup overflowing with water. The quicker you are able to go back to an even balance of dopamine, the quicker you can concentrate, helping you perform better on a test.

Scientists found that, during a test, people who slowly got back to an even balance of dopamine scored 8 percent lower. That’s the difference between a good mark and a bad mark.

But don’t fear, there is good news for every student. The study also found that the more practice you get, the less stress you’ll have.

So, it turns out that practice really does make perfect.

1.Dopamine is a chemical in our body that ______.

A.puts us under a lot of pressure

B.sends signals in the brain

C.keeps our brains working

2.Which things does dopamine play a role in?

① remembering something

②having a good rest

③paying attention to the teachers

④choosing the way we learn

A.①②③ B.①③④ C.②③④

3.What does the underlined word “overload” mean in Chinese?

A.产生 B.超载 C.下载

4.Some students do better under stress because ______.

A.they can go back to a good balance of dopamine quickly

B.they have a lot of dopamine

C.they go back to a balance of dopamine slowly

5.What can’t we learn from story?

A.Our brain either takes out dopamine quickly, or gradually.

B.The quicker you can go back to an even balance of dopamine, the better you can do on a test

C.Practice cannot help you do better under stress

你想知道福州的天气怎么样，可以这样问:

________________________________________________________in Fuzhou?

Friends make ________ easier for us to go through difficulties in life. They ________ a shoulder for us to cry on.

A.that; offer B.it; provide C.it; give

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