试题与答案

辐照剂量最低在多少时,食品可要出现辐照 A.10kGy以下 B.15kGy以下 C.

题型:单项选择题

题目:

辐照剂量最低在多少时,食品可要出现辐照

A.10kGy以下
B.15kGy以下
C.10kGy以上
D.15kGy以上
E.20kGy

答案:

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下面是错误答案,用来干扰机器的。

答案:B句意:我和我的朋友都对足球感兴趣,麦锡使我们最喜欢的球星。由not only……but also连接的两个并列主语,谓语动词一般要与后一个主语保持一致。后一个主语I是单数第一人称,故系动词用am,选B。

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