根據(jù)下面句子中的漢語(yǔ)提示寫(xiě)出單詞的正確形式。

1.Research findings have shown that about 20 percent of people only 10 percent can be __________(分類(lèi)) as “early birds”.

2.The company never __________(妥協(xié)) on the quality of its products.

3.It was this exploring around problems and his __________(充滿活力的) spirit that led to his most famous invention—the telephone in 1876.

4.The __________(標(biāo)準(zhǔn)) are so strict that it is difficult to get new ideas accepted unless they are truly novel.

5.The __________(最初的) requirement is that you need perfect DNA which gives information for how cells are to grow.

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It was with the help of the local guide ________ the mountain climber was rescued.

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Don't turn off the computer before closing all programs, ________ you could have problems.

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_______online shopping has changed our life , not all of its effects have been positive.

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Here is an astonishing and significant fact: Mental work alone can't make us tired. It sounds absurd. But a few years ago, scientists tried to find out how long the human brain could labor without reaching a stage of fatigue(疲勞). To the amazement of these scientists, they discovered that blood passing through the brain, when it is active, shows no fatigue at all! If we took a drop of blood from a day laborer, we could find it full of fatigue toxins(霉素) and fatigue products. But if we took blood from the brain of an Albert Einstein, it would show no fatigue toxins at the end of the day.

So far as the brain is concerned, it can work as well and swiftly at the end of eight or even twelve hours of efforts as at the beginning. The brain is totally tireless. So what makes us tired?

Some scientists declare that most of our fatigue comes from our mental and emotional(情感的) attitudes. One of England's most outstanding scientists, J. A. Hadfield, says, “The greater part of the fatigue from which we suffer is of mental origin. In fact, fatigue of purely physical origin is rare.” Dr. Brill, a famous American scientist, goes even further. He declares, “One hundred percent of the fatigue of a sitting worker in good health is due to emotional problems.”

What kinds of emotions make sitting workers tired? Joy? Satisfaction? No! A feeling of being bored, anger, anxiety, tenseness, worry, a feeling of not being appreciated—those are the emotions that tire sitting workers. Hard work by itself seldom causes fatigue. We get tired because our emotions produce nervousness in the body.

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B．He doubts them.

C．He argues against them.

D．He hesitates to accept them.

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You use her as a shoulder to cry on. She texts you back with casual jokes. But she, Xiaoice, is only a virtual chatbot（虛擬聊天機(jī)器人）.

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完形填空

閱讀下面短文，從短文后各題所給的四個(gè)選項(xiàng)(A、B、C和D)中，選出可以填入空白處的最佳選項(xiàng)。

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I was so sorry for myself that I wrote to my parents. I told them I was _________ and coming back home. I said I couldn’t stand it one minute longer. I _________ be in prison! My father answered my_________ with just two lines—two lines that will always sing in my _________ — two lines that completely changed my life:

Two men looked out from prison bars,

One saw the mud, the other saw the stars.

I read those two lines _________ . I was ashamed of myself. I made up my mind I would find out what was good in my present _________ I would look for the stars.

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What brought about this _________ change in me? The desert hadn’t changed, _________ I had. I had changed my _________ . And by doing so, I changed an unhappy experience into the most amazing _________ of my life. I was excited by this new world that I had discovered. I had looked out of my self-created prison and _________ the stars.

1.A. offB. behindC. nearD. beyond

2.A. beforeB. alreadyC. thenD. still

3.A. inflexibleB. incomprehensible

C. uncontrollableD. unbearable

4.A. OnlyB. NotC. ManyD. Such

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6.A. catching upB. keeping up

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7.A. ought toB. might wellC. would ratherD. had better

8.A. requestB. callC. questionD. letter

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10.A. over and overB. by and by

C. up and downD. now and then

11.A. companyB. occupationC. situationD. relationship

12.A. movementB. reactionC. guidanceD. purpose

13.A. refusedB. failedC. managedD. happened

14.A. askedB. huntedC. waitedD. headed

15.A. floorB. surfaceC. rockD. level

16.A. shockingB. challengingC. puzzlingD. astonishing

17.A. asB. butC. forD. or

18.A. attitudeB. principleC. identityD. standard

19.A. vacationB. operationC. affairD. adventure

20.A. soughtB. countedC. foundD. reached

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“OK,” said the girl, “Let me 9.________ (have) a try.”

About an hour later Jane took the exercise book to her aunt and said, “I 10. _______ (do) the problem ten times by now.”

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“Ten answers.”

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—Paul has gone abroad to try his luck. —In my________ , his decision is not wise.

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