55,11,5,2.2,,()。
A.A
B.B
C.C
D.D
参考答案:C
解析:
前两项之商等于第三项,依此类推,空缺项,故本题正确答案为C。
His plan, as well as Mary’s, sounds original. But the company, I think, won’t agree to __________ of them, for they are unrealistic.
A.any
B.both
C.all
D.either
在施工现场,所有从事施工作业人员年龄不得在45周岁以上。