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【单选题】
下列有关Word的说法中,不正确的是( )。
A.
使用Word可以建立、编排多种类型的文档
B.
Word是一种字处理软件
C.
Word不具有中、英文拼写检查功能
D.
Word窗口中的工具按钮可以增加或减少
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【单选题】One of the disadvantages of young adults returning to stay with their parents is that ______.
A.
there will inevitably be inconveniences in everyday life
B.
most parents find it difficult to keep a bigger family going
C.
the young adults tend to be overprotected by their parents
D.
public opinion is against young adults staying with their parents
【单选题】在指定的叶片径向位置(通常为100%叶片半径处)叶片弦线与风轮旋转面的夹角叫 ( ) 。
A.
A、攻角 桨距角
B.
冲角
C.
攻角
D.
扭角
【单选题】下列溶液的性质属于稀溶液依数性的是
A.
溶液呈现蓝色
B.
食盐水的沸点比纯水的沸点高
C.
电解质溶液可以导电
D.
乙醇与水混合总体积减少
【单选题】下列各项不属于稀溶液依数性的是
A.
凝固点降低
B.
沸点升高
C.
蒸气压下降
D.
导电性减小
【单选题】One of the disadvantages of young adults returning to stay with their parents is that ______.
A.
the young adults tend to be overprotected by their parents
B.
most parents find it difficult to keep a bigger family going
C.
there will inevitably be inconveniences in everyday life
D.
public opinion is against young adults staying with their parents.
【单选题】下列关于稀溶液依数性的说法错误的是:
A.
一定外压下,稀溶液的沸点一定比纯溶剂要高
B.
稀溶液沸点升高的前提是稀溶液中的溶质不挥发
C.
稀溶液沸点升高是因为该稀溶液的平衡压力比纯溶剂低
D.
稀溶液沸点升高属于稀溶液的依数性
【单选题】With regard to memory reduction, young adults differ from older adults in that______.
A.
they lose their memory at a slower rate
B.
their brains can store much more information
C.
they rarely realize they have memory problems
D.
they are more likely to remember false information
【单选题】下列性质中不属于稀溶液依数性的事
A.
酸碱性
B.
沸点升高
C.
凝固点下降
D.
蒸汽压降低
【单选题】下列不属于稀溶液依数性的是:
A.
凝固点下降
B.
沸点升高
C.
蒸气压下降
D.
浓度下降
【多选题】下列性质属于稀溶液依数性的是
A.
沸点升高
B.
凝固点降低
C.
渗透压
D.
溶液有颜色
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