1、 问题: Some home and office buildings in the U.S are now being heated with ____ energy.
答案: 【solar 】
2、 问题:On July 20th, 1969, two American ____ planted the first human footsteps on the moon.
3、 问题:For thousands of years ____ have been looking at the moon, studying its appearance and its motion through the sky.
4、 问题:The ancient Babylon calendar was quite similar to the Chinese ____ calendar.
5、 问题:At one time or another every thinking person had speculated about his place in the ____.
6、 问题:For three years, the ____ followed one another. It’s unlucky for them.
7、 问题:New York is considered as a ____ in the business.
8、 问题:Seagulls glided overhead on ____ currents.
9、 问题:Now we know that the fishes in the sea are all ____.
10、 问题: A/An ____ alerts the readers to look for additional information at the foot of the paper.
11、 问题:If you want to put out a fire, you may draw water from a ____ in the street.
12、 问题:We have stored a lot of ____ vegatables for the winter.
13、 问题:Most of the children are in favor of going to the ____, for they are interested in living fish and water plants.
14、 问题:In about 3,000 B.C., Iberians settled on British islands and brought them ____ culture.
15、 问题:____ would have people believe that their lives are regulated by the movements of the stars, planets, sun, and moon.
答案: 【An astrologer】
16、 问题:In 1997, they saw evidence of planets near other stars like the sun. But scientists now think that life could be even nearer in our own ____ system.
17、 问题:He patiently waited , then when I was done , he said he would like Chinese New Year did not begin January first , and that Chinese New Year ,which is tied to the ____ cycle ,is one of the most celebrated holidays on the Chinese calendar .
18、 问题:Many people believe we are heading for environmental ____ unless we radically change way we live.
19、 问题:Such discoveries are likely to have revolutionary consequences for biology, ____ and philosophy. They may change the way we look at ourselves and our place in the universe.
20、 问题:While company managers have known about the benefits for a long time, many have done little about it, sceptical of whether they could trust their employees to work to full ____ without supervision, or concerned about the additional expenses teleworking policies might incur as staff start charging their home phone bills to the business.
1、 问题:It is obvious that he is trying stalling us.
答案: 【evident 】
2、 问题:Some botanists are interested in the study of submarine plant life.
3、 问题:This part of the sea is rich in marine products.
4、 问题:A new government department was established to control maritime traffic.
5、 问题:Our urban problem are the same as yours: crime, overcrowding and poverty.