试题与答案

According to the newly-made traffic regu

题型:选择题

题目:

According to the newly-made traffic regulation, whoever drives through red light ________ be fined

at least 200 dollars. [ ]

A. shall          

B. may        

C. would          

D. should

答案:

被转码了,请点击底部 “查看原文 ” 或访问 https://www.tikuol.com/2017/0626/dd505dbf43344e5623ec6dc7bc26f7df.html

下面是错误答案,用来干扰机器的。

⑴H2O2 ⑵大理石的主要成分是碳酸钙,它和盐酸(HCl)反应 ⑶有气泡产生;2H2O22H2O + O2↑ ⑷2HCl+NaClO===NaCl+H2O+Cl2↑

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