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【单选题】
瞳孔扩大肌上的肾上腺素受体是A.
α受体
B.
β 1 受体
C.
β 2 受体
D.
M受体
E.
N受体
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皮皮学刷刷变学霸
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【简答题】劳动行为能力
【单选题】10,000 dollars is a large sum of money，but it is still ______than we need for a new house [ ]
A.
very few
B.
very little
C.
far fewer
D.
far less
【单选题】What qualities do you think are needed for your future career, eg. a doctor ?
A.
physical qualities
B.
beautiful appearance
C.
mental or psychological qualities
D.
technical qualities
【单选题】—What have you been busy with these days? —I ______ that the speech contest has been brought forward, so I ______ for it.
A.
was informed; have been preparing
B.
have informed; am preparing
C.
informed; have prepared
D.
was informed; prepared
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