Not until he retired from teaching three

题型:选择题

问题:

Not until he retired from teaching three years ago       having a holiday abroad.

A. he had considered

B. had he considered

C. he considered

D. did he consider

考点:全部倒装部分倒装省略句
题型:选择题

完全叶是由叶片、叶柄和托叶组成的叶。

题型:选择题

防风应用于( )

A.疏散风热,清利头目
B.疏散风热,息风止痉
C.疏散风热,解毒透疹
D.疏散风热,清肝明目
E.疏散风热,疏肝解郁

题型:选择题

烤烟壮苗的标准?

题型:选择题

阳离子交换器大反洗时,控制反洗流量的目的是节约用水。

题型:选择题

在国外举办合资企业,这即可能为我们开拓海外市场提供机会,也有产品不够畅销的可能,这属于( )

A.投机风险

B.利率风险

C.纯风险

D.价格风险

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