fc与fcu大致成______,两者比值fc/fcu的平均值为______。考虑到实际结构构件与试件的制作及养护条件的差异、尺寸效应以及加荷速度等因素的影响,实际结构中混凝土轴心抗压强度与立方体抗压强度的关系为fc=______fcu。
第1题
Actually, information technology can __________ the gap between the poor and the rich.
A.link
B.break
C.ally
D.bridge
第2题
ap between the poor and the rich .
A) link B) break C) ally D) bridge
第3题
A.percentage of frequency of wave heights
B.percentage of poor visibility conditions
C.sea surface temperatures
D.amounts of precipitation
第4题
The author is primarily concerned with ______.
A.condemning the U.S. for its failure to provide better medical care to the poor
B.evaluating the relative significance of factors contributing to the poor health status in the U.S.
C.providing information that the reader can use to improve his or her personal health
D.advocating specific measures designed to improve the health of the U, S. population.
第5题
The author is primarily concerned with ______.
A.condemning the U.S. for its failure to provide better medical care to the poor
B.evaluating the relative significance of factors contributing to the poor health status in the U. S.
C.providing information which the reader can use to improve his or her personal health
D.comparing the health status of the U.S. population with that of the world averages
第6题
The author is primarily concerned with ______.
A.condemning the U.S. for its failure to provide better medical care to the poor
B.evaluating the relative significance of factors contributing to the poor health status in the U. S.
C.providing information which the reader can use to improve his or her personal health
D.comparing the health status of the U.S. population with that of the world averages
第7题
How can this poor guy______the luxurious trip?
A.afford
B.accept
C.attend
D.affect
第8题
For people who are in extremely poor health, heat can be______.
A.deadly
B.painful
C.helpful
D.stressful
第9题
A person who is poor in expressing thoughts can never be a successful employer.
A.Y
B.N
C.NG
第10题
Poor diets can lead to such diseases as rickets and scurvy.
A.Right
B.Wrong
C.Not mentioned
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