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【多选题】
现浇钢筋砼构件模板拆除的条件有（ ）A.
悬臂构件底模拆除时的砼强度应达设计强度的50%
B.
后张预应力砼结构构件的侧模宜在预应力筋张拉前拆除
C.
先预应砼结构构件的侧模宜在底模拆除后拆除
D.
侧模拆除时砼强度设计砼砼强度的50%
E.
后张法预应力构件底模支架可在建立预应力后拆除
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【单选题】B. Choose the best answer. 1. Where do your grandparents live?
A.
No, they live in the country.
B.
They lived in the city.
C.
They live in the country.
D.
They used to live in the country.
【简答题】Choose the best answers to the questions you hear. 1) a. 4 b. 5 c. 7 d. 8 2) a. The Companion b. The Collaborator...
【单选题】Choose the best topic sentence.
A.
Each year, people throw away millions of plastic bags.
B.
The pollution from plastic bags is one of the main problems people around the world face today.
C.
Each year, people around the world use about 500 billion to 1 trillion plastic bags.
D.
One solution is to make plastic bags out of sugarcane.
【单选题】He often buys things in our shop. He is a customer to our shop. [ ]
A.
usual
B.
ordinary
C.
regular
D.
common
【单选题】Choose the best answer to each of the follow questions. 1.Whichof the following is NOT true about Roger Barta?
A.
He is a high school basketball coach.
B.
His teams have won eight Kansas state championships.
C.
His coaching philosophy has passed on a lot of wisdom to his players.
D.
His coaching philosophy has worked well on the field.
【简答题】解释差序格局？
【简答题】秘书、秘书部门在计划的制订和执行过程中,都要遵循 , ( )原则。
【单选题】I. Choose the best answer for each question. 1. In the process of , the suppliers' qualifications and history are analyzed.
A.
selecting the bidders
B.
bidding process
C.
technical evaluation
D.
commercial evaluation
【简答题】什么是社会的差序格局?简单说说,差序格局对中国社会的人际关系有什么影响?
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