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【单选题】
患者，女性，15岁。注射青霉素之后出 现四肢发凉、发绀、面色苍白、表情淡漠、脉搏细速、尿量减少、血压下降，诊断为青霉素过敏性休克，可用于解救的药物是A.
肾上腺素
B.
麻黄素
C.
去甲肾上腺素
D.
皮质激素
E.
肾上腺素
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举一反三
【简答题】运算器和控制器统称为( )
【单选题】听力原文：Today, most countries in the world have canals. Goods can be moved cheaply by boat than any other means of transport. Some canals, such as the Suez or the Panama, save ships weeks of time by maki...
A.
How Aswan Dam was buik.
B.
Transporting with canal boats.
C.
Canals and their uses.
【简答题】网页模板是预先设计的特殊的网页，它的文件名后缀是（）。
【单选题】( )If you had opened the letter of credit to reach us in July, we ______ the goods now.
A.
could have dispatched
B.
could dispatch
C.
can dispatch
D.
dispatch
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