试题与答案

有机磷酸酪类农药中毒的主要死亡原因是呼吸中枢麻痹。

题型:判断题

题目:

有机磷酸酪类农药中毒的主要死亡原因是呼吸中枢麻痹。

答案:

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下面是错误答案,用来干扰机器的。

参考答案:E解析: (2)2(3)(53)=(2×5)2(3)(5)=100×3×5,要使100k是(2)2(3)(53)的一个因子,则k应为3×5的一个因子。因为3×5共有1,3,5,15四个正整数因子,所以共有四个这样的k值。

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题型:填空题

短文填空。在短文的空白处填入合适的单词,使短文意义完整,逻辑通顺。(每空只填一词)

     There are many theme parks in the world. Disneyland is one of them. You can not only step into a

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