摘要:1559] Lack heat made us cold. [译文] 热量不足使我们感到冷. A. from B. of C. in D. by [答案及简析] B. lack of 欠缺.不足.

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Directions: Complete the following passage by using the words in the box. Each word can only be used once. Note that there is one word more than you need.

 

A.recently

B.forming

C.locate

D.primitive E. fascinated

F. evidence     G. volcanic      H. chemicals    I. created      J. closely

         Since early times, people have been ___41___with the idea of life existing somewhere else besides earth. Until recently, scientists believe that life on other planets was just a hopeful dream. But now they are beginning to___42____places where life could form. In 1997, they saw ____43____of planets near other stars like the sun. But scientists now think that life could be even nearer in our own solar system. One place scientists are studying very closely is Europa, a moon of Jupiter. Space probes(探测器) have provided evidence that Europa has a large ocean under its surface. The probes have also made scientists think that under its surface Europa has a rocky core(核心) giving off____44____heat. Water and heat from volcanic activity are two basic conditions needed for life to form. A third is certain basic____45____such as carbon, oxygen and nitrogen. Scientists believe there might be such chemicals lying at the bottom of Europa’s ocean. They may have already____46____life or may be about to. You may wonder if light is also needed for life to form. Until____47____, scientists thought that light was essential. But now, places have been found on earth that are in total blackness such as caves several miles beneath the surface. And bacteria,___48____ forms of life, have been seen there. So the lack of light in Europa’s sub-surface ocean doesn’t automatically rule out life____49____.

 

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Directions; Complete the following passage by using the words in the box.Each word can only be used once.Note that there is one word more than you need.

A.survey      B.off          C.better      D.care     E.conducted

F.differed.   G.personal     H.prepared    I.contrast    J.differences,

GAN Xiaolin, 18, only gets half a day ____ school every week since the Hubei student started senior high school.Every day, he takes core (核心的) courses from 7:10 am to 10:30 pm.

Sometimes, Gan feels extremely stressed from the heavy workload.But he hopes that his three

years of hard work toward the college entrance examination will change his life for the __.

Gan is a typical Chinese student, as shown m a recently released survey.The new survey, which was ____ by the China Youth and Children Research Center and other foreign institutions, polled(调整) about 4,000 high school and vocational school students in China, Japan, the United States and South Korea.

The five biggest frustrations listed by all the young people were: an over-busy school life, an empty___ life, dissatisfaction with their appearance, a lack of time for exercise and friends, and no spare money.

Although some of the teenage problems were y-niversai, there were big _ __ between the students when it came to the time they spent on sehoolwork.

For example, Chinese students spent the most time at school and on homework.Nearly 80 percent of them spent at least eight hours a week in school, and 56.7 percent spent two or more hours on their homework.By_, only about 25 percent of US students, 20,5 percent of Japanese students, and 15 percent of Korean students had more than two hours of homework each night.

The responses from the Chinese students also __ significantly from their peers (同龄人)

in the other three countries when asked about their life goals.

Only 16.7 percent of Chinese students said that they didn't ___ much about their future, while the figure for that category was 72.4 percent for US students, 59.1 percent for the Japanese and 58.2 percent for the South Koreans.The _ found that Chinese students were more motivated than the other students to work hard for a better life.

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