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2．They make the wetlands smaller in order to have more space for farms．（劃線部分提問）
Whydo they make the wetlands smaller？

分析 --他們使濕地變小，以便有更多的農場空間．
--他們為什么使濕地變小？

解答答案：Why do．考查劃線部分提問．根據in order to have more space for farms為了有更多的農場空間．可知，對目的、原因提問用疑問詞why為什么，剩下的變為一般疑問句，由make可知，是一般現在時態，注意是they他們．含有實義動詞，變一般疑問句用助動詞do．答案是Why do．

點評對劃線部分提問，要根據劃線部分內容選擇合適的疑問詞，剩下的變為一般疑問句．注意區分疑問詞的用法．會正確運用一般疑問句用法．

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