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【单选题】
混凝土强度等级是按混凝土立方体抗压强度标准值来划分的,采用符号( )和立方体抗压强度标准值表示,共分为14个等级。A.
C
B.
M
C.
MU
D.
A
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【简答题】食品烤炉按结构形式分为 式烤炉和 式烤炉。
【单选题】辛亥革命后到五四运动前中国历史发展的特点是（） ①国内政治斗争的焦点是民主共和与专制复辟的斗争 ②民族资本主义工业出现“短暂的春天” ③民主共和与实业救国成为当时社会思潮的主流 ④出现由旧民主主义革命向新民主主义革命转变的趋势
A.
①②
B.
③④
C.
①②③
D.
①②③④
【简答题】Correct the errors in the following sentences. 1 They didn't see each other since September. 2) Gina is in college for one year. 3) She has worked at the cafeteria since nine months. 4) He always arri...
【单选题】Robert worked three days and earned 60 dollars _______.
A.
in all
B.
about all
C.
at all
D.
first of all
【单选题】听力原文：W: Robert had worked as a secretary for three years. Then he became a newspaperman. After that he started writing novels. M: I know. And he has been doing nothing else ever since. Q: What is the ...
A.
He's a secretary.
B.
He's a novelist.
C.
He's a newspaperman.
D.
He's a worker.
【单选题】辛亥革命后到五四运动前( )。 1中国国内政治斗争的焦点是民主共和与专制复辟的斗争 2民主共和与实业救国是当时社会思潮的主流 3中国民族资本主义工业出现“短暂的春天” 4产生由旧民主主义革命向新民主主义革命转变的因素
A.
①②
B.
③④
C.
①②③
D.
①②③④
【简答题】食品烤炉按结构形式不同,分为 和 两大类。
【单选题】听力原文：W: Robert had worked as a secretary for three years. Then he became a newspaperman. After that he started writing novels. M: I know. And he has bean doing nothing else ever since. Q: What is the ...
A.
He's a secretary.
B.
He's a novelist.
C.
He's a newspaperman.
D.
He's a worker.
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