题目内容

Many people never travel abroad, since so much U.S. travel can be done.

A. 对
B. 错

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Europeans seem to have a much stronger sense ofcommunity across borders because Europe is smaller than the U.S.

A. 对
B. 错

With the “package deals” you can’t see the real world.

A. 对
B. 错

以下我国哪个食品安全标准中规定了食品中农药最大残留限量?( )

A. GB 2761
B. GB 2763
C. GB 2760
D. GB 2762

胆碱酯酶抑制法是目前农药残留测定中常用的快速筛查法,它主要适用于下列哪类农药( )

A. 有机氯类
B. 拟除虫菊酯类
C. 有机磷和氨基甲酸酯类
D. 沙蚕毒素类