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【多选题】
按照钢筋与浇筑混凝土的先后关系,施加预应力的方法有( )。A.
先
B.
扩张法
C.
后张法
D.
拉
拍照语音搜题，微信中搜索"皮皮学"使用
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【简答题】What service will help you to save more time? ____________________
【简答题】请写出如下代码执行的结果。 $a
= 'hello'; $hello
= 'PHP'; $PHP
= 'best'; echo $$$a;
【单选题】____________, the less time you have to see them.
A.
The more people you know
B.
More you know people
C.
The more you know people
D.
More people you know
【单选题】The more time you spend on the Internet．the less time you are with your family and friends．
A.
Right．
B.
Wrong．
C.
Doesn’t Say．
【单选题】. ---You must have had a good time at the party last night, didn’t you ? ---________. Actually, it was a bit boring.
A.
Oh, great
B.
Not really
C.
I suppose so.
D.
That’s OK