4.29.A. disturbing B. teaching C. forcing D. reminding

3.30.

A. 　 missed

B. 　 kept

C. 　 regretted

D. 　 excused

5.26.A. and B. but C. so D. with

3.19 —Do you mind if I open the window?
---().

A. 　Yes, please

B. 　 No, go ahead

C. 　 No, please don’t

D. 　 Yes, you’d better do

4.24.

A. 　remembered

B. 　 forgot

C. 　 doubted

D. 　 imagined

3.12()your eating habits is the best way to lose weight.

A. 　 To have changed

B. 　 Change

C. 　 Changing

D. 　 Being changed

3.21 通读下面的短文,掌握其大意。然后,从每小题的四个选项中选出最佳选项。
Over the summer, my family took a trip to Iceland to see the natural beauty of it. Little did I (21) I would wake up one morning to have my eyes swelled up (肿胀)like balloons! I was frightened. So many questions were( 22 )through my head. Am I allergic(过敏的)to something? Was there some Icelandic disease that I( 23 )? The only help I received was some allergy medicine( 24 )a clinic nearby. Nothing was working.
When the trip was over, I went to see my doctor. She gave me eye drops, but clearly they weren’t worth the time or (25) and the swelling got worse and worse.

A. 　know

B. 　 doubt

C. 　 insist

D. 　 fear

2.8对第二、三段谈到的人体中“单独的小生命”的有关理解,不正确的一项是( )

A. 　“线粒体”是远古“入侵者”的后代,它们驱动细胞,启动我们的行为。

B. 　“线粒体”与我们的机体保持良好的共生关系,足个可信赖的“寓客”。

C. 　作者认为我们每个细胞都可能是个复杂的生命系统,会有许多“小东西”。

D. 　作者想象许多“小东西”默默无闻地为我们工作,只有奉献,没有自由。

3.31.

A. 　 way

B. 　 relation

C. 　 answer

D. 　 devotion

3.8根据文章,下列理解和分析不正确的一项是( )

A. 　因为海洋的热容量总是比陆地大,所以空气总要从海洋流向陆地。

B. 　从总体来看,中国的气候受太平洋、印度洋及北冰洋的影响很大。

C. 　东南西北等地理方位的具体确认,是通过叙述者的位置来确定的。

D. 　在中国,大兴安岭、阴山、及冈底斯山等,是有标志意义的地理名词。

5.17Would you please keep silent? The weather report and I want to listen.

A. 　 is broadcast

B. 　 is being broadcast

C. 　 has been broadcast

D. 　 had been broadcast