1、.用所给词的适当形式填空1One of the biggest _ (danger) we face may be the climate change.答案：dangers2Nowadays the number of people who eat out is _ (reduce)答案：reducing3He used to smoke a pack of _ (cigarette) every day.答案：cigarettes4Most skin _ (cancer) are completely curable.答案：cancers5Her finger was hurt by th
2、e _ (针) while she was making the dress.答案：needle6The old people are not used to the _ (press) of modern life.答案：pressure7It contains a _ (power) drug which affects mosquitoes.答案：powerful8We must keep off _ (drug) because they do great harm to our health.答案：drugs.单项填空1Its clear that the _ of the acci
3、dent was the rain.AreasonBcauseCexcuse Dresult解析：“事故等客观上发生的事的原因”用cause；reason为主观“原因”；excuse“借口”；result“结果”。答案：B2As the weather began to turn cold, the number of tourists reduced _ 20%.Ato BintoCby Dwith解析：句意：由于天气开始变冷，游客的数量减少了20%。by表示增减的程度， reduce by意为“减少了”；而reduce . to .意为“减少到”，不符合此处语境。答案：C3People _
4、 drugs have much difficulty in getting rid of the _.Aaddictive to; addict Baddicted to; addictCaddicted to; addiction Daddictive to; addiction解析：句意：对毒品上瘾的人来说，要摆脱掉毒瘾有很大的困难。addict“(对药物等)上瘾的人”，根据句意可排除A、B两项。addictive“使人上瘾的，使人入迷的”，一般修饰事或物，并且不和介词to连用；addicted“对上瘾的”，常修饰人，且与介词to连用。答案：C4Tigers are _ to man,
5、but they are _ of dying out now.A in danger; dangerous Bdangerous; dangerousCdangerous; in danger Din danger; in danger解析：句意：老虎对人来说是危险的，但它们现在正处于灭绝的危险之中。dangerous说明主语对人/事物构成威胁；in danger说明主语处于危险之中。故C项正确。答案：C5My father doesnt allow _ computer games; he even doesnt allow me _.Aplaying; to watch Bplaying; watchingCto play; to watch Dto play; watching解析：考查allow的用法。句意：我爸爸不允许我玩电子游戏，他甚至不允许我看电子游戏。第一空所填成分在句中作宾语，用动名词；第二空所填成分在句中作宾语补足语，用不定式形式。答案：A