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【单选题】
在IllustrAtor中,下列哪些路径不可以制作蒙版。()
A.
开放路径
B.
其他选项都不是
C.
闭合路径
D.
复合路径
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【单选题】细胞膜的液态流动性主要决定于( )
A.
蛋白质
B.
多糖
C.
类酯
D.
糖蛋白
【单选题】预热发动机并保持( ),是发动机废气分析仪的测试工况之一。
A.
标定转速
B.
怠速
C.
起作用转速
D.
最高转速
【单选题】细胞膜的“流动性”主要决定于
A.
膜蛋白的多少
B.
膜蛋白的种类
C.
膜上的水通道
D.
脂质分子层
E.
糖类
【单选题】The doctor finally gave up the ____ of medicine for full - time writing.
A.
days
B.
process
C.
skills
D.
practice
【单选题】听力原文:M: The doctor told me to quit drinking coffee. Otherwise I would have a serious problem with my throat. W: Shouldn't you quit drinking tea, too? Q: What does the woman suggest? (17)
A.
Tea is better than coffee.
B.
The man should switch to tea.
C.
The man should drink coffee.
D.
The man shouldn't drink tea either.
【单选题】By the end of last year he ______about 1500 English words.
A.
learns
B.
learned
C.
was learning
D.
had learned
【单选题】“The child’s life is not in danger any more,” the doctor said ________.
A.
in service
B.
in relief
C.
in peace
D.
in order
【单选题】下列哪个词的来历与天后赫拉有关?
A.
dove
B.
mint
C.
donate
D.
disaster
【单选题】( )4.By the end of this year all but two people____.
A.
Have left
B.
will be leaving
C.
will leave
D.
will have left
【单选题】细胞膜的 “ 流动性 ” 主要决定于
A.
糖类
B.
膜蛋白的种类
C.
膜上的水通道
D.
脂质分子层
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