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【单选题】
胺醇治疗哮喘的主要药理作用为A.
兴奋a受体
B.
兴奋β受体
C.
兴奋α、β受体
D.
兴奋β2受体
E.
兴奋β1、β2受体
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【单选题】听力原文：W: Would you mind if I visit your class this afternoon, Professor Smith? M: I have no objection to your visit. But the students will take their examination this afternoon. Perhaps you can come ne...
A.
He objects to her visit.
B.
The class is not worth visiting.
C.
She should visit his class next Monday.
D.
The students will have their examination next Monday.
【单选题】以下关于狮子林的描述,哪一项是不正确的。( )
A.
苏州四大名园之一，全国重点文物保护单位，被列入世界文化遗产名录。
B.
始建于元代，因园内“林有竹万，竹下多怪石，状如狻猊者”，故名“狮子林”。
C.
贝聿铭曾因其家族曾经拥有过狮子林而在此度过一段童年时光。
D.
因清康熙巡游至此，赐额“狮林寺”，故该园称狮子林。
【单选题】听力原文：W: Would you mind if I visit your class this evening, Professor Johnson? M: I have no objection to your visit. But the students will take their examination tonight. Perhaps you can come back next...
A.
Not to visit his class.
B.
The class objects her visit.
C.
To visit his class next Monday.
D.
The students will have their examination next Monday.
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