27. – Shall we stop now?　 –_____.

　　　 A. Oh dear!　　　　　 B. Not at all.　　　　　　　　 C. I can manage it myself　　　　　　 D. If you like

26. Every boy and every girl _____ very hard at his or her lessons, _____ to go to university some day.

　　　 A. work; hoping　　　　　　 B. works; to hope　 C. works; hoping　　　　　 D. work; to hope

25. He is used to _____ every morning now though he used not to _____ it in the past.

　　　 A. jogging; doing　 B. jogging; do　　　　 C. jog; do　　　　　　　　　　 D. jog; doing

24. Mary is the only one of the girls who _____ often late for school.

　　　 A. is 　　　　　　　　　　　　　 B. are　　　　　　　　　　　　　 C. comes　　　　　　　 D. get

23. It is the Party _____ makes _____ for us to live a happy life.

　　　 A. who; it is possible　 B. which; it possible　 C. which; it is possible　 D. that; it possible

22. I appreciate _____ to relax with you on this nice island.

　　　 A. to have time　　　　　　 B. having time　　　　　　　 C. having no time　　　　　 D. to have no time

21. – Do you often listen to _____ radio?

　 – No, in fact, I often watch _____TV.

　　　 A. /; /　　　　　　　　　　　　　 B. the; the　　　　　　　　　　 C. /; the　　　　　　　　　　　　 D. the; /

26. 如图8所示，质量m₁＝0.3kg的小车静止在光滑的水平面上，车长L＝1.5m，现有质量m₂＝0.2kg可视为质点的物块，以水平向右的速度v₀=2m/s从左端滑上小车，最后在车面上某处与小车保持相对静止。物块与车面间的动摩擦因数＝0.5，取g＝10 m/s²，求

(1)物块在车面上滑行的时间t；

　(2)要使物块不从小车右端滑出，物块滑上小车左端的速度′ 不超过多少。

雅安中学09-10学年高二上学期九月月考