题目内容
18．When I think of thepuzzling（puzzle） problem，I feel puzzled．分析 当我想到那个令人迷惑的问题时，我感到很迷惑．
解答 答案是puzzling．考查单词填空．句意是：当我想到那个令人迷惑的问题时，我感到很迷惑．所以用单词puzzle对应的形容词形式puzzling表示"使人迷惑的"．故答案是puzzling．
点评 本题考查用所给单词的适当形式填空．首先要根据语境明确句意，然后再根据相关语法对所给单词在形式上做出正确的变动．
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7．Keep safe in storms
In the spring and summer months，thunderstorms （雷雨） are common． （36）D In thunderstorms，lightning can strike（击中） people and buildings and is very dangerous．
It was reported that a man was struck by lightning when he was making a phone call under a tree．He died at once．You may not know it，but nearly 1，800thunderstorms are happening at any moment around the world．（37）CSo what should you do during a lightning storm？Scientists say that a person's chances of being struck by lightning are 1in 600，000．（38）A
If you are indoors during a thunderstorm：
Stay away from anything that is metal because lightning can come into the house through it．
Don't stand near the windows．
Don't take a shower or bath．Lightning can travel through water．
Never use the phone．（39）B
If you are caught in a thunderstorm outdoors：（40）E If there's no building around，try to find a low place to stay in．
Do not go under a tree because the lightning could hit the tree and travel through the tree to hit you．
In the spring and summer months，thunderstorms （雷雨） are common． （36）D In thunderstorms，lightning can strike（击中） people and buildings and is very dangerous．
It was reported that a man was struck by lightning when he was making a phone call under a tree．He died at once．You may not know it，but nearly 1，800thunderstorms are happening at any moment around the world．（37）CSo what should you do during a lightning storm？Scientists say that a person's chances of being struck by lightning are 1in 600，000．（38）A
If you are indoors during a thunderstorm：
Stay away from anything that is metal because lightning can come into the house through it．
Don't stand near the windows．
Don't take a shower or bath．Lightning can travel through water．
Never use the phone．（39）B
If you are caught in a thunderstorm outdoors：（40）E If there's no building around，try to find a low place to stay in．
Do not go under a tree because the lightning could hit the tree and travel through the tree to hit you．
| A．But you can reduce those chances by following these safety rules． B．Lightning could travel through the phone line and hit you． C．In fact，many people are killed by lightning every year． D．Since they happen often，some people don't take them seriously． E．Go into a nearby building or car right away． |