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【简答题】
在氧气使用过程中，正确的用氧方法是 A·先开小开关，再开总开关，固定好鼻导管后，根据病情调节适宜的氧流量 B·先开总开关，固定好鼻导管，开小开关调节氧流量 C·停用氧气时，先关总开关，再拔除鼻导管 D．吸氧过程中需要改变氧流量时，分离鼻导管与氧气，调节好流量后再连接 E·氧流量表压力至0．1MPa时即不能使用，应更换
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皮皮学刷刷变学霸
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【单选题】On the afternoon of April 19th, 1587, Sir Francis Dr. Ake led his convoy of 31 ships into the port of Cadiz, (1)_____ the Spanish navy was being prepared to (2)_____ England. The Spanish were (3)_____...
A.
where
B.
when
C.
as
D.
which
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【单选题】On the afternoon of April 19th, 1587, Sir Francis Dr. Aka led his convoy of 31 ships into the port of Cadiz, (1)_____ the Spanish navy was being prepared to (2)_____ England. The Spanish were (3)_____...
A.
where
B.
when
C.
as
D.
which
【单选题】______ is NOT a novel of Francis Scott Fitzgerald.
A.
Tender Is the Night
B.
Anna Christie
C.
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D.
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