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【单选题】
氯丙嗪抗精神病作用的主要机制是A.
阻断黑质-纹状体系统D2受体
B.
阻断中脑-边缘系统和中脑-皮层系统的D2样受体
C.
阻断结节-漏斗系统D2受体
D.
阻断肾上腺素α受体
E.
阻断M胆碱受体
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反馈参考答案：
举一反三
【单选题】Not only ___ late, he also forgot his book. [ ]
A.
had he turned up
B.
did he turn up
C.
he turned up
D.
he had turned up
【单选题】He was disappointed to find his suggestions ____.
A.
been turned down
B.
turned down
C.
to be turned down
D.
to turn down
【简答题】案例二 1、订单中要求最迟什么时候把确认样寄给国外客户? 2、LAB DIPS是什么样品?有何技术要求?如何检验?何时寄送给客户。 3、Pro-Production sample 是什么样品?有何作用?最迟什么时候把确认样寄给国外客户?
【简答题】After he finished (do) ______ his homework, he turned on the TV.
【单选题】Not only late, he also forgot his book.
A.
had he turned up
B.
he had turned up
C.
he turned up
D.
did he turn up
【单选题】______ late, he also forgot his books.
A.
Not only he turned up
B.
Not only he turned out
C.
Not only did he turn out
D.
Not only did he turn up
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