coming from the cave roof，and some__20__which had fallen through the hole.Susan and Lewis shouted for help，but no one came.He used the__21__light to look for a way out.But after hours of__22__，he found nothing，and started feeling__23__.

It must have been__24__，when Susan noticed that the ray of light was descending from the hole in a straight line，and__25__on the floor in front of her.__26__，she took a piece of__27__that had fallen into the cave，and，using her__28__as a magnifying glass，she__29__the ray of light on to the wood until a little__30__sprang up.Now they had a torch.Lewis watched all this with surprise and__31__.He grabbed some more branches，and off they went together，to__32__the cave.

It took them some time，and they had to__33__quite a few torches，but finally they found a way out.He now__34__having given her that name，__35__seeing that it was her glasses that had saved them both.

【语篇解读】本文是一篇记叙文。聪明而腼腆的Susan因为戴眼镜而受到同学的嘲笑。但在一次班级出游中，嘲笑她的同学Lewis和Susan一同掉进了一个漆黑的洞穴中，是Susan用自己的眼镜聚集太阳光点燃了洞里的枯树枝两人才得以走出洞穴。

16．A.shout B．laugh C．point D．glance

答案　B　[B　[从后一句"Lewis started calling her'Four Eyes'"可知，同学们

开始嘲笑Susan戴眼镜。laugh at"嘲笑。"]

17．A.stand B．understand C．resist D．stop

答案　A　[根据前句和转折词可知，Susan表面不在乎别人的嘲笑，但事实上难以忍受。stand"容忍，忍受"，符合语境。]

18．A.passing B．walking C．crying D．falling

答案　D　[Lewis在滑倒的时候抓住了走在他旁边的Susan。由语境可知D项正确。]

19．A.narrow B．empty C．dark D．cold

答案　C　[从下句只能看到从洞顶射进来的一束光和后文两人用火把照明可知，山洞里非常黑。]

20．A.branches B．stones C．leaves D．fruits

答案　A　[从后文Susan用树枝做火把可知，有些树枝掉到了洞中。]

21．A.natural B．strong C．artificial D．weak

答案　D　[从前文可知，只有一缕阳光照进洞中，由此可知光线很微弱。]

22．A.waiting B．searching C．planning D．talking

答案　B　[Lewis试图借着光亮寻找出去的路，但是经过几个小时的寻找，并没有找