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【多选题】
光学异构的一对对映体药物可能具有下列哪些情况?()A.
具有同等强度的活性
B.
具有不同强度的活性
C.
具有相反的活性
D.
具有不同类型的活性
E.
两者活性抵消
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知识点：
皮皮学刷刷变学霸
举一反三
【单选题】The king was forced to adopt a new constitution which reduced his powers.
A.
学院
B.
机构
C.
宪法
D.
建筑物
【单选题】His statements sometimes ______ the truth, because of which his colleagues adopt a suspicious attitude towards him.
A.
denote
B.
deviate from
C.
commence to
D.
surface
【简答题】In 1637, his attempts to force the Church of Scotland to adopt Anglican practices led to .
【单选题】In writing an application, the writer should be ( ) and adopt an( )tone for his letter.
A.
unconfident,optimistic
B.
unconfident,inactive
C.
confident,optimistic
D.
confident,inactive
【简答题】Why did the author adopt “Mark Twain” as his pen name?
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