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【单选题】
当通气/血流比值增大时提示A.
解剖无效腔增大
B.
肺泡无效腔增大
C.
功能性A-V短路
D.
肺血流量增多
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举一反三
【单选题】The University of Washington
A.
situates in Pacific Northeast
B.
enrolls few international students
C.
only offers financial aid to undergraduate students
D.
does not offer financial aid to overseas students
【简答题】文件传输和远程登录各实现什么功能？
【单选题】The University of Minnesota claims that in 12 half-hour lesson______.
A.
it can double a student's reading speed
B.
it can triple a student's reading speed
C.
it can increase a student's reading speed four times
D.
no real increase in reading speed can be achieved
【单选题】Robert wishes that he ________ business instead of history when he was in university.
A.
studies
B.
studied
C.
has studied
D.
had studied
【单选题】Jack wishes that he ______ness instead of history when he was at university.
A.
studied
B.
study
C.
had been studied
D.
had studied
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