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【多选题】
下列有关脚手架的拆除的说法中正确的是( )
A.
连墙件必须随脚手架逐层拆除 , 严禁先将连墙件整层或数层拆除后再拆脚手架杆件
B.
脚手架分段拆除高差可以大于 2 步
C.
当脚手架拆至下部最后一根立杆高度(约 6.5m )时 , 可直接拆除连墙件
D.
严禁将拆卸下来的杆配件及材料从高空向地面抛掷 , 已吊运至地面的材料应及时运出拆除现场 , 以保持作业区整洁
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【单选题】Is Stanley’s mother strict with him?
A.
Yes, Stanley is not allowed to play computer games at home.
B.
Yes, Stanley’s mother loves Emily better.
C.
Yes, Stanley can only play computer games after finishing his homework.
【单选题】()成为古桥中最富有生命力的一种桥型。
A.
B.
C.
D.
【判断题】出口补贴会对出口国的总福利得到增加,这也是施行出口补贴政策的原因。
A.
正确
B.
错误
【单选题】25( )成为古桥中最富有生命力的一种桥型。
A.
梁桥
B.
浮桥
C.
索桥
D.
拱桥
【简答题】Round The World Mr. and Mrs. Spencer both had very busy jobs and didn' t have much time to spend with their young children. They wanted to change this, and because their hobby was boating, they, decid...
【简答题】Stanley has gained 8 pounds a year ever since he turned 18. How much weight has Stanley gained since he turned 18? (1) Stanley now weighs twice what he weighed when he turned 18. (2) Stanley is now tw...
【单选题】Timothy: Stanley, there’s a Mr. Miller on the phone who wants to talk to you. Stanley: _____ Can you ask him to hold? Tell him I’ll talk with him in a few seconds.
A.
Who is Mr. Miller?
B.
I’m busy at the moment
C.
I don’t know him
D.
What’s happened?
【单选题】Percy Spencer didn’t plan to melt ________.
A.
a bar of chocolate
B.
an egg
【单选题】机器指令是一种命令语言,它用来规定CPU执行什么操作以及操作对象所在的位置。机器指令是由()组成的。
A.
运算符和寄存器号
B.
ASCII码和汉字码
C.
程序和数据
D.
操作码和操作数
【单选题】我国桥梁史上出现较晚,却成为古桥中最富有生命力的一种桥型是( )。
A.
梁桥
B.
浮桥
C.
索桥
D.
拱桥
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