At the beginning of this century, medical scientists made an interesting discovery(發(fā)現(xiàn)): we are built not just of flesh (肌肉) and blood but also of time. They were able to show that we all have a ‘body clock’       us, which controls the       and fall of our body energies. It can       us different from one day to the next.

The idea of a ‘body clock’ should not be too       because the lives of most living things are controlled by the 24-hour night-and-day cycle (循環(huán)). We feel       and fall asleep at night. We become       and energetic during the day. Most people will have a bad feeling if the 24-hour cycle is      . For example, people who are not used to working at night can find that lack (缺少) of sleep causes them to      badly at work.

       the daily cycle of sleeping and waking, we also have other cycle which lasts longer than one day. Most of us would       that we feel good on some days and not so good on others; sometimes our ideas seem to be so active and at other times, they are not.

1.A. beside                           B. inside            C. outside                            D. under

2.A. life                         B. offer                        C. use                                   D. rise

3.A. show                            B. treat                        C. make                          D. change

4.A. difficult               B. natural                    C. surprising                  D. frightening

5.A. quiet                            B. tired                       C. comfortable                   D. cheerful

6.A. regular                   B. serious           C. lively                          D. clear

7.A. disturbed           B. pushed                   C. restarted                         D. troubled

8.A. perform                 B. suffer                       C. count                          D. control

9.A. With                             B. As well as    C. Except                             D. Rather than

10.A. afford                   B. admire           C. advise                     D. agree

 

【答案】

 

1.B

2.D

3.C

4.C

5.B

6.C

7.A

8.A

9.B

10.D

【解析】

試題分析:這篇短文講述的是科學家們最近發(fā)現(xiàn)了人的身體不僅是由肌肉和血液組成的,在人體里還有一個生物鐘。它控制著我們的精力,有時候高漲,有時候低沉。

1.考查介詞及語境的理解。句意:科學家能夠證明在我們的身體里我們都有一個生物鐘。beside  在…旁邊;inside 在…里面;outside 在…外面;under 在…下面。根據(jù)文意這里說的是在我們每個人的身體內(nèi)部有一個生物鐘,故選B。

2.考查名詞及語境的理解。句意:它(生物鐘)控制著我們身體能量的起落。life 生活,生命;offer 提供;use 利用;rise上升。這里rise 和后面的fall是反義詞,說的是人體里的生物鐘控制我們身體能量的起落。故選D。

3.考查動詞及語境的理解。句意:它能使我們每天都不一樣。show 表明,帶領;treat對待; make 制造,制作;使;change 改變。前面提到人體的生物鐘控制著人體的能量,所以會影響我們的心情,讓我們的心情每天都不一樣。故選C。

4.考查形容詞及語境的理解。句意:生物鐘這個概念并不是太令人驚奇,因為大多數(shù)生物的生活都是由24小時的夜以繼日的循環(huán)所控制的。difficult 困難的;natural 自然的;surprising 令人驚奇的;frightening令人害怕的。這里是說人們早就知道生物體的生活是被控制的,所以聽到生物鐘這個概念,人們并不會感到驚奇。故選C。

5.考查形容詞及語境的理解。句意:晚上我們會感到疲倦然后就睡覺。quiet 安靜的;tired 累的,疲倦的;comfortable 舒適的;cheerful歡呼的。這里是說我們的人體都有生物鐘來控制,到了晚上人們就會感到累了,要休息了,這是很自然的,故選B。

6.考查形容詞及語境的理解。句意:而白天的時候我們就會變得充滿活力,精力充沛。regular 有規(guī)律的,定期的;serious 嚴肅的,認真的;lively 活潑的,有活力的;clear清楚的。這里是和上句話形成一個對比。由于有生物鐘的控制,晚上我們會想要休息,那么白天則會精力充沛。故選C。

7.考查動詞及語境的理解。句意:如果這個24小時的循環(huán)被打擾了,大多數(shù)人都會感覺不好。disturb 打擾,打亂;push 推;restart 重新開始;trouble煩惱。這里做了一個假設,生物鐘控制我們的身體,讓它有規(guī)律的循環(huán),但是這個循環(huán)被打亂的時候,人們就會有不好的感覺。故選A。

8.考查動詞及語境的理解。句意:例如,不習慣晚上工作的人可能會發(fā)現(xiàn)缺乏睡眠會導致他們在工作的時候表現(xiàn)不好。perform 表現(xiàn),表演;suffer 遭受;count 數(shù);control控制。這里是說生物鐘被打亂的時候會影響人們的日常行為,所以工作的時候表現(xiàn)不好。故選A。

9.考查介詞及語境的理解。句意:除了睡覺和醒著這種日常的循環(huán),我們還有另外一個循環(huán),它的時間比一天還要長。with 有,和;as well as 除…之外;except 除了,不放在句首;rather than 不是。這里作者要給我們介紹我們身體里的另一種規(guī)律的循環(huán)。故選B。

10.考查動詞及語境的理解。句意:我們大多數(shù)人都會同意有時候我們感覺很好,但有時候又會感覺不好。afford 負擔得起;admire 欽佩;advise 建議;agree同意。這里是我們大多數(shù)人都會有的體會,我們受人體生物鐘的控制,有時候會感覺很好,有時候又感覺不好。故選D。

考點:科普類短文。

 

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