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【单选题】
给某个元素设置特定的样式,使用( )选择器。A.
类选择器
B.
ID选择器
C.
标记选择器
D.
通用选择器
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反馈参考答案：
举一反三
【简答题】To start your own business is usually (cheap) ______ than to buy one.
【单选题】Two decades ago a woman who shook hands with men on her own ______was usually viewed as too for ward.
A.
endeavor
B.
initiative
C.
motivation
D.
preference
【简答题】According to the author, if you usually focused on your own problems, or complain frequently, you need to ______.
【单选题】Although they usually did their own painting and papering, on this occasion they brought in a firm of ______ decorators.
A.
inside
B.
inward
C.
interior
D.
internal
【判断题】设【图片】是平面【图片】上由曲线【图片】，【图片】及直线【图片】，【图片】所围成的在第一象限内的闭区域，则在变换【图片】下，【图片】变成平面【图片】上闭区域【图片】.
A.
正确
B.
错误
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