高中英语必修四新人教版第二课《Unit 2 Working the land》教案
Unit 2 Working the landⅠ.单词拼写根据汉语或首字母提示，写出下列单词1．As we all know，metals expand(使变大) when they are heated.2．When you go out in the hot sun，you should always put cream on your skin to avoid getting sunbur
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高中英语必修四新人教版第四课《Unit 2 Working the land》教案
Unit 2 Working the landCHEMICAL(化学的) OR ORGANIC(有机的) FARMING?Over the past half century，using chemical fertilizers(化肥) has become very common in farming①．Many farmers welcomed them as a great way to
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