题目列表(包括答案和解析)
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完形填空
The world is ___1___ of variety(各种各样). Trees, grasses and other ___2___ cover the earth. Above, ___3___ shines on the earth as it turns in the universe. This is the world that we see ___4___ us every day.
This world is ___5___the world of chemistry. In this world one form of matter is ___6___ changing into another. We cannot always see it ___7___ with our eyes. Yet it is taking ___8___ all the time. The millions of forms on the each, living or not, are ___9___ about one hundred chemical elements (元素). The same elements are found everywhere. This may be a surprise to you, but it is true. It is true ___10___ Of the earth ___11___ of the whole universe.
1.[ ]
A. fill B. filled C. full D. fell
2.[ ]
A. planets B. planes C. plants D. put
3.[ ]
A. the stars B. the satellites
C. the moon D. the sun4.
[ ]
A. above B. under C. round D. about
5.[ ]
A. also B. too C. either D. neither
6.[ ]
A. sometimes B. never C. anytime D. always
7.[ ]
A. happen B. to happen C. happening D. happened
8.[ ]
A. play B. place C. space D. room
9.[ ]
A. made with B. made by C. made in D. made Of'
10.[ ]
A. not only...but also B. either...orC. neither...nor D. so...that
完形填空
阅读下面短文,掌握其大意,然后选择方框内所给单词或短语的适当形式填空。方框内有多余的词或短语。
The invention of the camera goes far into the past. In the 1500s, people experimented with cameras that made pictures. But it was 1 the early 1800s that they found a way to make the pictures permanent (耐久的). Even then, photography was a new field. Most 2 had their pictures taken by a photographer. People did not own cameras because taking pictures and developing the film was too 3 .
In 1884, George Eastman changed photography by inventing a kind of film that fit into a small camera. 4 the new film was easy to use, many people began to buy cameras. When they 5 up their film, people returned their cameras to the factory. There, the film was developed, and round pictures were printed. Then more film 6 the cameras, 7 were sent back to the owners, along with their pictures.
Eastman's camera made 8 easy to take pictures. Today's cameras are even easier to use, and people can put in their own film. Photography has become a growing hobby.
There are also many new jobs in the field of photography. One of the most important kinds of work is in news reporting. Newspapers, magazines, and television all need pictures to tell their stories. Photographers aid scientists by 9 pictures through microscopes (显微镜) and telescopes (望远镜). Deep-sea divers take pictures 10 ocean plants and animals, while astronauts (宇航员) take their cameras into space. People find new uses for the camera every day.
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