问题补充：
It was a cold, wet day when 14yearold Wasana Sanjeewa reached St. Anthonys College. Waiting 31 his classroom for his classmates to arrive, Wasana looked at the 32. Then he noticed enormous amounts of rainwater flowing down the hill behind the classroom. For a few minutes, Wasana _33 the water, wondering why it looked so 34．
Then it hit him — the scene was similar to the slides he was shown during Disaster Management classes.
35 an approaching disaster, Wasana swung into action. “Run, run, don stay here! The rocks on the hill are going to fall on us！” he 36 and all the students ran to the open area.Then Wasana ran over to 37 Principal Nihal Gurauinghe what was happening.
After 38 the hill, Gurauinghe knew the school was in trouble. He and some teachers 39 to stop the waterflow, but they were too 40： huge rocks fell down the hill with sand and mud, and the entire school was destroyed.
When Wasana 41 home later that day, his white uniform covered in mud, he got the 42 from his mother. He tried to explain that he had 43 two hundred schoolmates 44 she didn believe him.
His mother 45 realized he was telling the truth when she saw a TV report about the 46. Filled with pride, she hugged Wasana and said that he was indeed a 47．
No one was hurt in the incident because of Wasanas 48 action and careful observation.
“Wasanas action 49 us that sometimes we cannot wait until something happens before we take action. It 50 be too late by then，” Gurauinghe said.
【小题1】A．insideB．behindC．outsideD．over【小题2】A．sunB．rainC．snowD．fog【小题3】A．pointed atB．decided onC．kept onD．stared at【小题4】A．familiarB．specialC．freshD．random【小题5】A．BanningB．ImaginingC．PredictingD．Hearing【小题6】A．explainedB．shoutedC．concludedD．whispered【小题7】A．askB．promiseC．tellD．persuade【小题8】A．inspectingB．describingC．measuringD．assessing【小题9】A．choseB．triedC．helpedD．agreed【小题10】A．lateB．mildC．blankD．anxious【小题11】A．missedB．leftC．movedD．returned【小题12】A．rewardB．blameC．effectD．faith【小题13】A．curedB．foughtC．savedD．guided【小题14】A．soB．orC．forD．but【小题15】A．naturallyB．necessarilyC．completelyD．finally【小题16】A．adventureB．disasterC．failureD．experience【小题17】A．loserB．foolC．heroD．star【小题18】A．quietB．toughC．quickD．safe【小题19】A．taughtB．interestedC．warnedD．confused【小题20】A．mightB．has toC．mustD．ought toC
答案：
(答案→)C
解析：本文讲述了一个小男孩运用自己的知识挽救了同学性命的故事，告诉我们要及时采取行动，不要等到事情发生以后再后悔。
【小题1】C 介词辨析。A在…里B在..后面C在…外面D超过；他在教室里等待着他的同学的到来。
【小题2】B 上下文串联。根据下文泥石流导致山体滑坡可知是在不停第下雨导致的。
【小题3】D 短语辨析。A指着B决定C保持D盯着；他盯着山上的雨水和滚动的石头在看。
【小题4】A 形容词辨析。A熟悉B特别C新鲜D胡乱；他根据这一切是如此的熟悉。
【小题5】C 动词辨析。A禁止B想象C预测D听见；他预测要发生泥石流。
【小题6】B 动词辨析。A解释B大喊C结束D低声说；他预测哟泥石流，就大声地警告同学。
【小题7】C 动词辨析。A问B允诺C告知D说服；他跑过去告诉校长可能发生的事情。
【小题8】A 动词辨析。A视查B描述C测量D评估；他们在视察以后认可能会有泥石流的。
【小题9】B 动词辨析。A选择B尝试C帮助D同意；他和老师们努力阻止这一切的发生。
【小题10】A 上下文串联。根据下文可知泥石流还是发生了，说明他们的行动太晚了。
【小题11】D 动词辨析。A错过B离开C移动D返回；指他返回家中的时候，校服都脏了。
【小题12】B 动词辨析。A奖励B责备C影响D信任；校服脏了，他被妈妈责备。
【小题13】C 动词辨析。A治愈B斗争C挽救D指导；他告诉妈妈他救了很多人的性命。
【小题14】D 上下文串联。他告诉妈妈他救了很多人的命，但是他妈妈不相信。
【小题15】D 副词辨析。A自然B必要C完全D最后；最后妈妈意识到他说的都是真的。
【小题16】B 上下文串联。这里的指在文章前部分提就的泥石流的灾难。
【小题17】C 名词辨析。A失败者B傻子C英雄D巨星；妈妈认为他就是英雄。
【小题18】C 形容词辨析。多亏了他的迅速行动，才救了这么多人的性命。
【小题19】A 动词辨析。A教B使…感兴趣C警告D使…困惑；他的行动教会我们不能等到事后再行动，要在事情发生之前就采取及时的行动。
【小题20】A 情态动词辨析，。A也许B不得不C必须D应该；那个时候也许就太晚了。
