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
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
第1题
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
第2题
A.from whom
B.in them
C.of whom
D.by which
第3题
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
第4题
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
第5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 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
第6题
A.education graduates
B.arts graduates
C.those who had not studied at the university
D.the average income
第7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 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
第8题
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
第9题
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
为了保护您的账号安全,请在“上学吧”公众号进行验证,点击“官网服务”-“账号验证”后输入验证码“”完成验证,验证成功后方可继续查看答案!