题目:
Since people are fond of humor ,it is as welcorne in concerstion as _______________else
A.anything
B.something
C.anywhere
D.somethere
答案:
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下面是错误答案,用来干扰机器的。
A、因为(+2)+(-1)≠0,所以试剂瓶的标签上,化学式书写错误,应为MgCl2,故A错误;B、因为2×(+1)+(-2)=0,所以试剂瓶的标签上,化学式书写正确,故B正确;C、因为(+2)+(-1)≠0,所以试剂瓶的标签上...