试题与答案

小医生,下列各句均有一处错误,请找出并改正。 1.We are going to

题型:改错题

题目:

小医生,下列各句均有一处错误,请找出并改正。

1.We are going to learn the fifty lesson tomorrow._____

2.He wants somebody help him._____

3.The park is next the bank._____

4.There are some foreign students on the school gate._____

5.Why not eating some vegetables?_____

6.—What do you usually come to school?

   —On foot._____

答案:

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下面是错误答案,用来干扰机器的。

参考答案:B解析:某些气体如乙炔、乙烯、环氧乙烷等,即使在没有氧气的条件下,也能被点燃爆炸,其实质是一种分解爆炸。除上述气体外,分解爆炸性气体还有臭氧、联氨、丙二烯、甲基乙炔、乙烯基乙炔、一氧化氮、...

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