新学员常常犯语法错误.New learners often make mistakes in grammar. 题目和参考答案——青夏教育精英家教网—

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5.新学员常常犯语法错误。

New learners often make mistakes in grammar.

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5.切碎_ 6. be full_

7.用筷子指向某人_

An hour in the morning is worth(值）two in the evening. Most of us know this. But

for some people,getting out of bed each morning is a daily challenge. It can trouble their lives.

Now, scientists from Flinders University in Australia believe they have found out why ： their body clocks are set too slow.

Professor Leon Lack studied people with delayed sleep disorder (睡目民延迟障碍）. These people have one thing in common：they are not able to fall asleep at night,nor wake up on time in the morning.

“Most people have a 24-hour body clock. It’s a natural rhythm(节奏）that influences sleepiness. But for people with delayed sleep disorder, it takes longer to complete the 24-hour body clock. So they usually go to bed later and wake up later，” Lack told the Daily Mail.

A slower body clock influences up to 15% of teenagers,according to the Daily Mail. It causes them to be late for school. Even though they do get to school，they’re sleepy until their body clock wakes up.

Don’t worry! There are some ways to bring your body clock back faster. Body clocks can be changed by environment, such as light. Make sure you’re exposed (使暴露）to bright lights as early in the day as possible. It is a message to tell the body that it should be awake.

Also,stay away from the Internet and television for at least an hour before your bedtime. It helps you to relax before you fall asleep.

( )31. The first paragraph tells us that it is_for some people to get out of bed

in the morning.

A. exciting B. difficult C. impossible D. educational

( )32. People with delayed sleep disorder_.

A. are not able to wake up on time in the morning

B. are not able to complete the 24-hour body clock

C. are able to get up as quickly as they can

D. are able to fall asleep at night as early as they can

( )33. Which is NOT the fact that a slower body clock may influence teenagers?

A. They are late for school more often.

B. They feel sleepy in the morning class.

C. They feel relaxed to study in the early morning.

D. They don’t feel energetic until later in the morning.

( )34. How many ways to bring your body clock back faster are mentioned?

A. One. B. Two. C. Three. D. Four.

( )35. From the passage,we can know that_.

A. morning is more important than evening

B. professor Leon Lack has delayed sleep disorder

C. it helps you to fall asleep if you’re exposed to bright lights

D. we can improve delayed sleep disorder by changing body clocks

(D ) 3.一I feel really _ about the exam tomorrow, dad.

—Never mind, dear. Believe in yourself.

A. excited B. embarrassed

C. strange D. nervous

(C ) 10.—Let’s study English together,_?

—OK. Let’s begin.

A. will you B. do you

C. shall we D. do we

4. Suddenly I r ealized that studying science well was very important for me.

(C ) 1. —Can you finish your work this weekend?

—I found _ hard to finish the work in

such a short time.

A. that B. its C. it D. this

8.How kind you are! You always do what you can to help ( help) others.

(C )2.一Let’s go to the community if it_tomorrow.

—But nobody knows if it_tomorrow.

A. won’t rain ； rains

B. doesn’t rain;rains

C. doesn’t rain ； will rain

D. won’t rain ； will rain

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