具有补肾助阳、祛风除湿功效的药物是（） A.巴戟天 B.肉苁蓉 C.郁李仁 D.桑寄

年应税销售额超过小规模纳税人标准的非企业性单位和不经常发生应税行为的企业，可选择按小规模纳税人纳税。()

George spent _____ studying.

A．the whole day

B．all during the day

C．altogether a day

D．entirely a day

In the past twelve months the research members _____ the effectiveness of many materials in a home building. [ ]

A. had studied

B. would study

C. studied

D. have studied

按传统习惯，西餐用餐中的佐餐饮品是（）。

A.啤酒

B.威士忌酒

C.白兰地酒

D.葡萄酒

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