C．The athlete，as well as the author，is an expert swimmer．

　　D．The swimming event is a show of courage rather than a fierce competition．

　　5．What’s the best title for the passage?

　　A．Compete for Gold!

　　B．Try again!

　　C．Break a Record!

　　D．Go for it!

　　【参考答案】1---5、D B A C D

　　较难题目特训：介绍说明类

　　阅读下列四篇短文，从每小题后所给的A,B,C或D四个选项中，选出最佳选项。

　　In June, 2007, a group of students from eight high schools in Winnipeg, the capital of Canada’s Manitoba province, will begin test-launching (试发射) a satellite the size of a Rubik’s cube.

　　The one-kilogram Win-Cube satellite, named for its home city and its shape, will be put into low orbit. Once in space, it can perform for a few months or up to several years, communicating information that could help find the early signs of earthquakes.

　　There are 80 similar satellite projects worldwide, but this is the first high-school based program of its kind in Canada. 30 Manitoba high school students are having a hand in designing and building the satellite, in cooperation with aerospace (航空航天的) experts and 10 students from the University of Manitoba, and with support from two other organizations.

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