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【单选题】
为元素设置绝对定位的方法正确的是( )。A.
div.a{postion:static;}
B.
div.a{postion:absolute;}
C.
div.a{postion:relative;}
D.
div.a{postion:inherit;}
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反馈参考答案：
举一反三
【单选题】船舶货舱着火,实施释放CO2后,直到开舱为止,下列做法错误的是 。
A.
组织力量不定时观察监测
B.
准确记录甲板、舱壁的温度
C.
监测有无泄露气体,出现空隙应立即补堵
【单选题】Though the blacks in the United states have been fighting for equal rights ____ the whites for many years, they _____ won the battle. [ ]
A.
to; still haven't
B.
to; haven't still
C.
with; still haven't
D.
with; haven't still
【单选题】In general terms, the greenhouse effect, which has been studied with wary and keen interest for as long as a century, has to do with a gradual warming of the earth's atmosphere. The warming is caused ...
A.
is a problem raised recently
B.
has drawn extensive attention all over the world
C.
is the warming caused by an increase of CO2
D.
should be imputed to the well-developed countries
【单选题】下面对于在时间轴中将帧转换为关键帧的操作正确的是( )
A.
要在动画中插入新帧，请单击“插入—帧”
B.
要创建新的关键帧，请单击“插入—关键帧”命令
C.
可以使用鼠标右键单击要设置为关键的帧，然后从上下文菜单中选择“转换为关键帧”
D.
要创建新的空白关键帧，可以按F5实现
【简答题】Text 3 In 2010. a federal judge shook America's biotech industry to its core. Companies had won patents for isolated DNA for decades-by 2005 some 20% of human genes were parented. But in March 2010 a ...
【单选题】卖家未按约定时间发货(违背发货时间承诺),主动按照淘宝网违背发货时间承诺的规定向买家支付相应金额违约金(),则该投诉不做扣分处理
A.
.03
B.
.04
C.
.06
D.
.05
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