21. A. run B. work C. perform D. apply

22. A. increasing B. cooling C. escaping D. passing

23. A. outside B. top C. window D. inside

24. A. warm B. strong C. healthy D. tall

25. A. behave B. react C. conduct D. operate

26. A. Gas B. Sunlight C. Heat D. Energy

27. A. absorb B. use C. stop D. reflect

28. A. sky B. greenhouse C. atmosphere D. surface

29. A. disappears B. escapes C. continues D. remains

30. A. effect B. result C. change D. force

2语法填空

阅读下面短文，按照句子结构的语法性和上下文连贯的要求，在空格处填入一个适当的词或使用括号中词语的正确形式填空，并将答案填写在答题卡标号为31-40的相应位置上。

词数：138 完成时间：8分钟 难度：**

Every student will be faced with the question when he passes the college entrance examinations: Should we choose a good major 31 a good university first? Some students prefer 32 (consider) majors first so that they can learn 33 they are interested in. It will also make 34 possible for them to take their favorite jobs in the future. 35 , those 36 think differently believe that the environment is important to one's development and 37 graduates from leading universities are often more likely to find a good job. 38 my opinion, the best choice is a good major at a good university. If we cannot obtain both, the first thing 39 (consider) is a good major, because no matter 40 we study, we can still achieve a lot in a certain field if we try our best.

3阅读理解

阅读下列短文，从每题所给的A、B、C和D项中，选出最佳选项，并在答题卡上将该项涂黑。

词数：314 完成时间：7分钟 难度：***

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-Cub 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 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.

The Win-Cube project is not something that goes on a piece of paper; it is real-world engineering, allowing high school students to have an opportunity to learn more about the exciting world of engineering through their participation in this challenging program. It is also taken as a wonderful example of the unique