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【单选题】
预制桩的混凝土强度达到设计强度的（ ）可以起吊。A.
100%
B.
60%
C.
75%
D.
70%
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举一反三
【单选题】Last week two engineers _______ to help the technical problems of the project. A. have sent B. were sent C. sent D. had sent
A.
have sent
B.
were sent
C.
sent
D.
had sent
【单选题】A doctor, together with two nurses, ______ sent to that faraway village to help the sick people.
A.
have been
B.
has been
C.
has
D.
have
【判断题】Designmaster是目前最有影响的基于BIM技术的钢结构深化设计软件,该软件可以使用BIM核心建模软件的数据,对钢结构进行面向加工、安装的详细设计,生成钢结构施工图(加工图、深化图、详图)、材料表、数控机床加工代码等。
A.
正确
B.
错误
【单选题】A team, _____ two doctors and three policemen, ____ sent to search for the missing explorers.
A.
consists of; was
B.
consisting of; was
C.
consisted of; was
D.
to be consisted of; were
【简答题】常用钢结构构件代号中B表示 。
【单选题】The volunteers sent _______ books to a mountain village school on Children’s Day. [ ]
A.
two hundreds of
B.
two hundred of
C.
two hundreds
D.
two hundred
【单选题】A team, ________two doctors and three policemen ,was sent to search for the lost explorers.
A.
consisting of
B.
consists of
C.
consisted of
D.
to be consisted of
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