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【单选题】
与难挥发非电解质稀溶液蒸汽压下降、沸点升高、凝固点降低有关因素是( )。A.
溶质的本质
B.
溶液的体积
C.
单位体积溶液中溶质数
D.
溶液的温度
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举一反三
【单选题】Even if we are very busy, we should spend ______ doing exercise every day.
A.
some time
B.
sometime
C.
sometimes
D.
some times
【单选题】客厅的一端为餐厅,同一空间中由于客厅的家具和餐厅的家具存在质量大小的不同,设计师可通过不同的色彩来加以调整,这一行为属于室内设计构图原则中( )原则。
A.
协调
B.
比例
C.
平衡
【单选题】We’ve known for a long time a high—fat diet，obesity and lack of exercise can increase the risk of developing heart disease and type 2 diabetes，two conditions affecting millions of Americans．What we ar...
A.
Different rates of common cancers in different regions result from different lifestyles．
B.
The rate of several extremely common cancers in the U．S．is higher by 1／1 0 or 1／20．
C.
People who migrate to the United States have high cancer rates after a generation．
D.
If people out of the western world stay at home，their risk of cancer won’t rise
【单选题】客厅的一端为餐厅,同一个空间中由于客厅的家具和餐厅的家具存在质量大小的不同,设计师可以通过不同的色彩加以调整,这一行为属于室内设计构图原则中( )原则。
A.
协调
B.
比例
C.
平衡
D.
构图
【单选题】客厅的一端为餐厅,同一空间中由于客厅的家具和餐厅的家具存在质量大小的不同, 设计师可通过不同的色彩来加以调整,这一行为属于室内设计构图原则中( )原则。
A.
协调
B.
比例
C.
平衡
D.
以上都是
【单选题】No matter how busy we are, we should _____ some time to do exercise everyday. [ ]
A.
set down
B.
set aside
C.
set up
D.
set off
【简答题】What should we do to keep healthy? One important rule is to exercise__31__. The Fang family try to exercise every day. Mr Fang__32__exercise in the morning because he must get to work at exactly seven...
【单选题】Doing exercise can make everyone _____. We all like it. [ ]
A.
sad
B.
angry
C.
health
D.
healthy
【单选题】语句 Print "Sqr(25 ) =";Sqr(25) 的输出结果为()。
A.
Sqr(25)=Sqr(25)
B.
Sqr(25)=5
C.
"5="5
D.
5=Sqr(25)
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