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【简答题】
Pick out the idioms in the following extract and explain its origin and the effect of using this form. "Well, it's the old story of the stitch in time," he said.
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反馈参考答案：
举一反三
【简答题】完形填空。 Guo Hua was late for class. When he came to the classroom. Mr. Li was teaching. 'May I come in, Mr. Li?' asked Guo Hua. 'What's wrong with you?' asked the teacher, 'Why are you late?' 'Oh, I had...
【简答题】When he came to the city for the second time ten years later, he found it completely (change) .
【单选题】( )应当依法承担城市轨道交通运营安全管理责任,加强运营安全管理,建立、健全安全运营责任制度,完善安全运营条件,确保安全运营。
A.
运营主管部门
B.
运营单位
C.
建设单位
D.
行政主管部门
【单选题】某高层框架剪力墙结构底层柱，抗震等级为二级，截面800mm×900mm，混凝土强度等级C30，柱承受的地震剪力小于底部总剪力的20%，且为短柱。场地为Ⅵ类(轴压比限值从严，减 0.1)。在下列柱所受的组合轴压力设计值中，______为正确。
A.
3100kN
B.
8640kN
C.
9720kN
D.
9180kN
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【简答题】When he came to the city for the second time ten years later, he found it completely (change) .
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