Question

_______ is known to everybody, the moon travels around the earth once a month. . A．It B．As .

_______ is known to everybody, the moon travels around the earth once a month. . A．It B．As C．That D．What

Answer 1

B

试题分析：考查定语从句。As指代后面一句话的内容，引导非限制性定语从句，在本句总做主语。句意：正如每个人都知道的那样，月球一个月绕着地球一圈。故B正确。 点评：As指代后面一句话的内容，引导非限制性定语从句，在句中做主语，宾语。有正如的意思。