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【单选题】
心迷走神经节后纤维所释放的神经递质是( )A.
乙酰胆碱
B.
去甲肾上腺素
C.
血管升压素
D.
谷氨酸
E.
γ-氨基丁酸
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举一反三
【单选题】If nothing ________, the oceans will turn into fish deserts.
A.
does
B.
had been done
C.
will do
D.
is done
【多选题】“遇沉沉不语之士,且莫输心;见悻悻自好之人,应须防口。”此句所表达的意思是( )。
A.
遇到那些活泼开朗，热情好客的人，千万不要推心置腹、表达真心
B.
遇到那些冷漠阴沉、不爱言语的人，千万不要推心置腹、表达真心
C.
碰见那些刚愎自用、傲慢无礼、自以为是的家伙，一定要小心谨慎、尽量少语
D.
碰见那些刚愎自用、傲慢无礼、自以为是的家伙，一定要推心置腹，表达真心
【单选题】Sandra is a _ boss. She always knows when a worker is upset, even if the worker acts as if nothing is wrong.
A.
previous
B.
modem
C.
sensitive
【单选题】If nothing unusual happens, the patient will soon be ______ from the hospital.
A.
sent
B.
discharged
C.
dismissed
D.
fired
【单选题】But how could they _____ radiation if nothing can escape from a black hole?
A.
give in
B.
give up
C.
give off
D.
give back
【多选题】您总共有多少件行李?
A.
How many luggages do you have?
B.
How much luggage do you have?
C.
How many pieces of baggage do you have?
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