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【多选题】
下面叙述哪项是正确的A.
α1受体的激动药哌唑嗪
B.
α2受体的激动药可乐定
C.
α2受体的拮抗药育宾
D.
β1受体的拮抗药尔
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反馈参考答案：
举一反三
【单选题】It was proposed that the matter ( ) discussed at the next meeting.
A.
will be
B.
was
C.
be
D.
would be
【单选题】It was proposed that the matter _____ discussed at the next meeting.
A.
will be
B.
was
C.
would
D.
be
【单选题】It was proposed that all the members ____work an hour earlier.
A.
can start
B.
should start
C.
had to start
D.
could start
【简答题】由双4选1数据选择器74LS153实现两个逻辑函数： F 1 (A，B，C，D)=∑m(0，3，5，6，9，10，12，15) F 2 (A，B，C，D)=∑m(0，1，2，3，9，10，12，13，14，15) 画出设计后的逻辑图，并说明设计的过程。可使用其他逻辑门(与、或、非、异或)，但要尽量少用。
【单选题】It was proposed that this matter _____ at the next meeting.
A.
would be considered
B.
was going to be considered
C.
be considered
D.
were to be considered
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