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【多选题】
防止输液时发生空气栓塞的有效措施是A.
加压输液时，护士要在旁看守，不能离开
B.
输液管内空气要排尽
C.
输液导管连接处要紧密
D.
针头与针栓衔接处要拧紧
拍照语音搜题，微信中搜索"皮皮学"使用
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【单选题】They will send kids to college it takes, even if that means a huge amount of debt.
A.
whoever
B.
however
C.
whatever
D.
whichever
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【单选题】Even if kids have temporary hearing loss from an ear infection, and even if it's ______, it presents a big problem for understanding speech in a noisy environment.
A.
intermittent
B.
contemporary
C.
interim
D.
internal
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【单选题】According to Mr. Johnson, sunglasses for kids are even more important because kids' eyes ______.
A.
are less sensitive
B.
open and close more quickly
C.
take in more rays
D.
filter out ultra-violet rays less sufficiently
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