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【单选题】
要使一个段落中多个字符串显示不同的效果,可以定义多个不同样式的( )标记来实现。A.
〈div〉〈/div〉
B.
〈p〉〈/p〉
C.
〈span〉〈/span〉
D.
〈del〉〈/del〉
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举一反三
【单选题】_____ to make a speech, he said he would be glad to.
A.
When asked
B.
When asking
C.
When he was asking
D.
When to ask
【单选题】I want to know _____ .
A.
when will he come back
B.
when he will come back
C.
when he comes back
D.
when is he coming back
【单选题】以下哪项不是三度房室传导阻滞的心电图的表现
A.
P波与QRS波无关
B.
P频率＜R频率
C.
P-P间期相等
D.
QRS波群形态取决于阻滞部位
E.
心室率可在40次/分以下
【单选题】The woman lived in Germany______.
A.
when he was first born
B.
when he was a child
C.
when he has his first child
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