【題目】—____________ do you put a lot of snakes into the forest?

— To protect the ecosystem(生態(tài)系統(tǒng)).

A.WhyB.HowC.What

【答案】A

【解析】

句意:——你為什么把許多蛇放進森林?——為了保護生態(tài)系統(tǒng)。

考查特殊疑問句辨析。why為什么;how怎樣;what什么。根據(jù)下文回答to protect the ecosystem“為了保護生態(tài)系統(tǒng)”,動詞不定式表目的,可知,此空處是問“為什么把許多蛇放進森林”,所以空格處用疑問詞why。故選A

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