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【单选题】
局部浸润麻醉选用普鲁卡因时,其常选用浓度为:A.
0.5%
B.
1%
C.
1.5%
D.
2%
E.
2.5%
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反馈参考答案：
举一反三
【单选题】Speaker A: Im worried about those classes I missed when I was sick. Speaker B:______
A.
I am glad that you have got well.
B.
Don't worry. Everything will be all right.
C.
I'll try to bring you up to date on what we've done.
D.
Maybe you should explain to our teacher why you were absent from class last week.
【单选题】15 When did the accident happen?
A.
At about 8：00 am
B.
At about 9：00 am
C.
At aboutl0：00 am
【单选题】Now when talking about economic reform. I am very ______ aware of the shadow hanging over most African countries' debt.
A.
well
B.
far
C.
much
D.
greatly
【单选题】(12)引入二叉线索树的目的是( )。
A.
加快查找结点的前驱或后继的速度
B.
为了能方便的找到双亲
C.
为了能在二叉树中方便的进行插入与删除
D.
使二叉树的遍历结果唯一
【单选题】When did the accident happen?
A.
at about 8:00 am
B.
at about 9:00 am
C.
at about 10:00 am
【单选题】----Could you lend me that book you ____ me about when I telephoned you? -----No,I am sorry, I can’t. I gave it to a friend.
A.
were telling
B.
would tell
C.
had told
D.
had been telling
【单选题】When did the accident happen?
A.
At about 8:00 am.
B.
At about 9:00 am.
C.
At about 10:00 am.
【单选题】when did the accident happen ?
A.
at about 8:00 am
B.
at about 9:00am
C.
at about 10:00am
【单选题】引入二叉线索树的目的是 ( )
A.
加快查找结点的前驱或后继的速度
B.
为了能在二叉树中方便地进行插入与删除
C.
为了能方便地找到双亲
D.
使二叉树的遍历结果唯一
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