小题1:你的裤子每天都需要洗吗？
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小题2: 除非他尽力，否则他将不能对桂林进行环城的自行车旅行。
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小题3:他别无选择只能离开日本去了非洲其他的国家。
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小题4:中国的人口比加拿大的要多得多。
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小题5:为了实现他的梦想，那位年轻的工程师已把他的全部精力投入到了工作中。
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小题1:Do your trousers need to be washed every day?
小题2:He won’t be able to cycle around Gui Lin unless he tries his best.
小题3:He had no choice but to leave Japan for other countries in Africa.
小题4:The population of China is much larger than that of Canada.
小题5:In order to make his dream come true, the young engineer has put all his effort into his work.
题目分析：
小题1:本句考查的是“需要做某事（need to do sth）”这一结构的用法。根据语境，句子的主语是“你的裤子”，是动作“洗”的承受者，应用被动语态。综合以上意思，故可译为：Do your trousers need to be washed every day?
小题2:本句考查的是由unless引导的条件状语从句，主句用一般将来时，从句用一般现在时。此外，“尽力”表达为：try one’s best。综合上述意思，故可译为：He won’t be able to cycle around Gui Lin unless he tries his best.
小题3:本句考查的是“除了---别无选择（have no choice but to）”这一结构的用法。根据语境，“离开某地去某地”应表达为：leave---for---。综合以上意思，故可译为：He had no choice but to leave Japan for other countries in Africa.
小题4:根据句意，本句是中国人口与加拿大人口相比较，应用比较级。此外，修饰人口（population）多应用large。综合以上意思，故可译为：The population of China is much larger than that of Canada.
小题5:本句考查的是几个短语。“为了”应表达为：in order to，“实现”表达为：come true，“把某人的全部精力投入到……之中：表达为put all one’s effort into---,此外，本句还应注意make 的使役用法，即“使他的梦想变为现实”，综合以上意思，故可译为：In order to make his dream come true, the young engineer has put all his effort into his work.
根据上表，在这几个厂中，（）发展最快。