皮皮学，免费搜题
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【单选题】
治疗房室传导阻滞的常用药物是A.
肾上腺素
B.
去甲肾上腺素
C.
肾上腺素
D.
阿拉明
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【单选题】Which of the following is the nominal output power for a GSM 900, class 4, or GSM 1800/GSM 1900, class 1, mobile station? （）
A.
20W
B.
2W
C.
5W
D.
8W
E.
0.2W
【单选题】Once ____, this power station will supply all the neighboring towns and villages with electricity.
A.
it being completed
B.
it completed
C.
completed
D.
it completes
【单选题】听力原文：Thank you for calling Blue Power. At the present time, we are experiencing electrical power outages in many residential neighborhoods on the north side of the city. It is believed that the stormy...
A.
A train station manager
B.
A weather reporter
C.
A road crew supervisor
D.
A utility company employee
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