正确答案: D

杜绝生产含有害化学成分的食品

题目：下列认识正确的是

解析：D

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举一反三的答案和解析：

[单选题]

surprised

[单选题]27． Who can you ask for help when your parents quarrel?

A．B and C．

解析：D【解析】由第4点建议可知。

[单选题]5．

and

解析：5.A【解析】每天游泳并且跑步。

[单选题]3．，—How was your school trip?—The students＿＿＿＿＿school trip．

had a great