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【多选题】
对司琼叙述正确的是A.
5-HT3受体拮抗剂
B.
药用其二水合盐酸盐
C.
抗乙酰胆碱受体的止吐药
D.
结构中有吲哚环
E.
适用于放疗和化疗引起的呕吐
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反馈参考答案：
举一反三
【单选题】Tom ________ the radio when I came in.
A.
listened to
B.
was listening to
C.
listened
D.
was listening
【简答题】一个完整的磁盘存储器由三部分组成，其中，______又叫磁盘机或磁盘子系统，是独立于主机的一个完整的设备；______是磁盘机与主机的接口部件；______用于保存信息。
【单选题】In a pre-listening activity， students need to learn to cope with some ambiguity in listeningand realize that they can still learn even when they do not understand every single word. The aimof this act...
A.
listening fir specific information
B.
listening for gist
C.
listening for structure
D.
listening for vocabulary
【简答题】一个完整的计算机系统应当包括______系统和______系统。
【简答题】A．By watching some films about World Environment Day. B．By listening to some lectures and planting trees, etc. C．By planting trees, having some green concerts, bicycle parades, etc. D．By delivering so...
【单选题】Li Lei wants to be a singer.He music. [ ]
A.
enjoy listening
B.
enjoys to listen to
C.
enjoys listening to
D.
enjoy listening to
【简答题】根据观测误差对观测结果影响的性质,可将误差分为 和 。
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