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【单选题】
下列哪项不属于麻醉前用药的目的A.
解除病人精神紧张
B.
仗麻醉过程平稳
C.
增强麻醉效果
D.
促进肌肉松弛
E.
减轻病人疼痛感
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反馈参考答案：
举一反三
【简答题】浓水反渗透浓水补水至三循，三循（ ）及碱度增加。
【单选题】The teacher knows that you are always the first ________ to the classroom since last September.
A.
coming
B.
to come
C.
came
D.
has come
【单选题】The first use of atomic weapons was in 1945, and their power _____ increased enormously ever since. [ ]
A.
is
B.
was
C.
has been
D.
had been
【单选题】The teacher knows that you are always the first ________ to the classroom since last september.
A.
coming
B.
to come
C.
came
D.
has come
【单选题】Which floor is the meeting room?
A.
On the fifth floor.
B.
On the sixth floor.
C.
On the fourth floor.
【单选题】Which floor does Linda live on?
A.
The fourth floor.
B.
The fifth floor.
C.
The sixteenth floor.
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