题目内容

【题目】—Excuse me, would you mind telling me how to call a car through “Didi”?

—_______.

A. Certainly notB. Take it easyC. Sure, I’d love to

【答案】A

【解析】

句意:——打扰一下,你介意告诉我怎样通过滴滴叫车吗? ——当然不是。A. Certainly not. 当然不是。B. Take it easy. 别紧张。C. Sure, I’d love to. 当然,我很乐意。结合语境:你介意告诉我怎样通过滴滴叫车吗?应该是不介意,结合选项可知,选择Certainly not. 当然不介意。故选A

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【题目】The Amazing Brain

Sleep. It’s something we spend about a third of our lives doing, but do any of us really understand what it’s all about?

We all know based on our own experience that when we sleep, it clears our minds, and when we don’t sleep, it leaves our minds murky (昏沉沉的). But when we still haven’t understood why sleep has this amazing function for the mind.

Recently biologists have found that sleep may actually be a kind of design solution to some of the brain’s most basic needs, the way that brain meets the high demands and the narrow margins (范围) that set it apart from all the other organs (器官) of the body. The brain has a large pool of clean, clear fluid (流体) called cerebrospinal fluid. Biologists call it the CSF. The CSF fills the space that surrounds the brain, and wastes from inside the brain make their way out to the CSF, which gets the waste into the blood. What was surprising to them was that the fluid on the outside of the brain didn’t stay on the outside. Instead, the CSF goes into and through the brain along the outsides of the blood vessels (血管), it was actually helping to clear away and clean the waste from the spaces between the brain’s cells (细胞). This only happens in the sleeping brain.

Recent research suggests that what’s happening is that when the brain is awake and is at its most busy, it puts off clearing away the waste from the spaces between its cells until later. When we go to sleep, it gets into a kind of cleaning mode to clear away the waste from the spaces between its cells.

We go to sleep every single night, but our brains never rest. While our body is still and our mind is off walking in dreams somewhere. Like our housework, it’s dirty and a thankless job, but it’s also important. In your house, if you stop cleaning your kitchen for a month, your home will become completely unlivable very quickly. But in he brain, the situation is much more serious because when it comes to cleaning the brain, it is the very health and function of the mind and the body that’s at stake. That is why understanding these very basic housekeeping functions of the brain today may prevent and treat diseases of the mind tomorrow.

1What does the underlined phrase “at stake” in the last paragraph mean?

A. in a healthy situation

B. in a dangerous situation

C. in an amazing situation

D. in an unlivable situation

2What can we learn from the passage?

A. Sleeping makes our brain feel murky.

B. The CSF can clean the waste in our brain.

C. Our brain can clean the waste at any time.

D. Sleeping makes our brain have a good rest.

3What is the main purpose of writing this passage?

A. To teach us how to have a good sleep.

B. To show the new research of our brain.

C. To introduce how CSF works in our brain.

D. To tell us the importance of sleeping.

【题目】Good morning, boys and girls!

The topic of my speech today is "Learn to express thanks". We are all students-a generation born in the new century. We find some students want to eat well and wear fashionable clothes at school. When they leave school and enter society, they don't show any sense of "Thanks".

I think this behavior is not correct. As students, we should learn to express thanks. Because of society, we can have a chance to receive good education. And our parents also support us to go to school. Besides, it is our hardworking teachers who teach us much knowledge. We should also thank our friends for they give us courage and help overcome any difficulty.

In a word, as a generation born in the new century, we are lucky in everything. But we should learn to express thanks. In future, we should never forget our society, parents, teachers and so on. At present, we should study harder in order to make greater contributions to our society and only when we succeed in our jobs can we better reward our parents, teachers and so on. Thank you for your listening!

Students born in the new century

Their behavior is ______. They should learn to express thanks.

Don’t show any sense of “Thanks” when leaving school and ______

Society.

The ______ for expressing thanks

The society ______ them a chance to receive good education.

Their parents ______ them with money so they can go to school.

Their teachers work ______ to give them much

knowledge.

Their friends are ______, for they often help them to overcome any ______.

How to give a thank

Study harder to make greater contributions to our society.

______ in their jobs so as to reward their parentsteachers and so on.

Learn to express ______

1__________

2_________

3_________

4_________

5_________

6__________

7__________

8__________

9__________

10__________

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