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【单选题】
1液的成分中以下哪项正确A.
2份生理盐水:1份1.4%碳酸氢钠
B.
2份1.4%碳酸氢钠:1份生理盐水
C.
2份5%葡萄糖溶液:1份生理盐水
D.
2份l0%葡萄糖溶液:1份1.4%碳酸氢钠
E.
2份5%葡萄糖溶液:1份1.87%乳酸钠
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反馈参考答案：
举一反三
【单选题】已知X、Y的价格 为Px,Py,当MRSxy>Px/Py时,消费者为达到效用最大化,他将( )。
A.
增购X,减少Y
B.
减少X,增购Y
C.
同时增购X、Y
D.
同时减少X、Y
【简答题】Narrow the following broad topics using 5ws technique 1.Reality TV shows 2. Campus safety
【单选题】Our teachers permit us iPad for learning English on campus.
A.
use
B.
using
C.
to use
【单选题】假定商品X、Y的价格为Px, Py,当MRSxy> Px/Py时,消费者为达到最大满足,将会( )。
A.
增X，减Y
B.
减X，增Y
C.
c.同时增加X、Y
D.
同时减少X、Y
【单选题】听力原文：W: They just built some new apartments near campus, but a one-bedroom rents for 500 dollars a month. M: That's bit beyond the reach of most students. Q: What does the man mean? (13)
A.
The apartments are too small for the students to share.
B.
The apartments are not quite near enough to campus.
C.
Most students can be reached at their campus address.
D.
Very few students could afford to live there.
【简答题】How can a foreign student get a living place reserved on campus before arrival?
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