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【单选题】
下面( )机构不属于轮胎吊?A.
起升机构
B.
大车机构
C.
小车机构
D.
旋转机构
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举一反三
【单选题】In paragraph 7, why does the author use the example of the Acacia tree?
A.
To demonstrate how ants survive by living in trees
B.
To explain how two species can benefit from contact
C.
To show the relationship between plants and animals
D.
To present a problem that occurs often in nature
【单选题】Why does Jenny go to the bank?
A.
To open an account.
B.
To transfer some money.
C.
To buy some foreign currency.
【单选题】Why does David want Jenny to be quick?
A.
Because many students will choose Ms. Hunter as their teacher.
B.
Because many students like business English.
C.
Because the course will begin soon.
【单选题】关于胺碘酮的叙述，错误的是（）。
A.
降低窦房结和普肯耶纤维的自律性
B.
减慢普肯耶纤维和房室结的传导速度
C.
延长心房和普肯耶纤维的动作电位时程、有效不应期
D.
阻滞心肌细胞K + 通道
E.
对Na + 、Ca 2+ 通道无阻断作用
【简答题】Why does Jenny go to the Finance
Department?
【单选题】下列关于胺碘酮的叙述，错误的是（）
A.
降低窦房结和普肯耶纤维的自律性
B.
减慢普肯耶纤维和房室结的传导速度
C.
延长心房肌、心室肌、普肯耶纤维的APD、ERP
D.
阻滞心肌细胞钠、钙及钾通道
E.
对α、β受体无阻断作用
【单选题】Why does David want Jenny to be quick?
A.
Because many students will choose Ms. Hunter as their teacher.
B.
Because many students like Business English.
C.
Because the course will begin soon.
【简答题】Why does Jenny pray to be a bird?
【单选题】Why does the author state in line 9 that observations are taken 'just once every twelve hours' ?
A.
to show why the observations are of limited value.
B.
to compare data from balloons and computers,
C.
to give an example of international cooperation,
D.
to indicate that the observations are timely.
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