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下列关于通气/血流比值的叙述,正确的是A.指肺通气量和肺血流量的比值B.人体平卧时,平均比值等于0

下列关于通气/血流比值的叙述,正确的是

A.指肺通气量和肺血流量的比值

B.人体平卧时,平均比值等于0.64

C.人体直立时,肺尖部的比值减小

D.比值增大意味着肺泡无效腔减小

E.比值无论增大或减小,都不利于肺换气

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第1题

According to the author, graduates from colleges of higher education ______.A.are sure to

According to the author, graduates from colleges of higher education ______.

A.are sure to find employment easier than university graduates

B.need more time to get the practical fide of their job than university graduates

C.have larger practical work experiences than university graduates

D.possess a much larger theoretical background than university graduates

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第2题

There will be more than 900 graduates from this university this year, ______ only one thir
d could work in the state-run industry.

A.from whom

B.in them

C.of whom

D.by which

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第3题

Law, medical and business graduates could earn 2% more than _______.A.education graduatesB

Law, medical and business graduates could earn 2% more than _______.

A.education graduates

B.arts graduates

C.if they hadn't studied at the university

D.the national average income

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第4题

Law, medical and business graduates could earn 2% more than ______.A.education graduatesB.

Law, medical and business graduates could earn 2% more than ______.

A.education graduates

B.arts graduates

C.if they hadn't studied at the university

D.the national average income

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第5题

The two Harvard economists note in their study that, for much of the 20th century,A.enroll

The two Harvard economists note in their study that, for much of the 20th century,

A.enrollment kept decreasing in virtually all American colleges and universities

B.the labor market preferred high-school graduates to college graduates

C.competition for university admissions was far more fierce than today

D.the gap between the earnings of college and high-school graduates narrowed

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第6题

Law, medical and business graduates could earn 25% more than _____

A.education graduates

B.arts graduates

C.those who had not studied at the university

D.the average income

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第7题

The two Harvard economists note in their study that, for much of the 20th century,A.enroll

The two Harvard economists note in their study that, for much of the 20th century,

A.enrollment kept decreasing in virtually all American colleges and universities

B.the labor market preferred high-school graduates to college graduates

C.competition for university admissions was far more fierce than today

D.the gap between the earnings of college and high-school graduates narrowed

点击查看答案

第8题

The two Harvard economists note in their study that, for much of the 20th century, ___
_____.

A.enrollment kept decreasing in virtually all American colleges and universities

B.the labor market preferred high-school to college graduates

C.competition for university admissions was far more fierce than today

D.the gap between the earnings of college and high-school graduates narrowed

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第9题

The two Harvard economists note in their study that, for much of the 20th century
, ________.

A.enrollment kept decreasing in virtually all American colleges and universities

B.the labor market preferred high-school to college graduates

C.competition for university admissions was far more fierce than today

D.the gap between the earnings of college and high-school graduates narrowed

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