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【单选题】
婴儿胃液是pH=5，成人胃液pH=1，则成人胃液[H+]是婴儿的倍数是A.
5
B.
105
C.
10-4
D.
104
E.
1/5
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举一反三
【单选题】患者女，79岁，长期卧床，为了防止皮肤发生压疮，护士在进行局部按摩时错误的操作是
A.
按摩时双手蘸少许50%醇
B.
用手掌大、小鱼际肌处紧贴病人皮肤
C.
按摩压力先由轻到重，再由重至轻
D.
按摩时间每次3～5min
E.
对已压成紫红色的皮肤应加强按摩次数和时间
【简答题】按摩时由 轻到重,在由 到 。
【单选题】听力原文：M: This astronomy problem is giving me a headache. W: Try taking it one step at a time. What does the woman advise the man to do?
A.
Approach the problem in a logical fashion.
B.
Time how long it takes to solve the problem.
C.
Take a couple of aspirin and then rest a hit.
【单选题】听力原文：M: This astronomy problem is giving me a headache. W: Try taking it one step at a time. What does the woman advise the man to do?
A.
Approach the problem in a logical fashion.
B.
Time how long it takes to solve the problem.
C.
Take a couple of aspirin and then rest a bit.
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