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【多选题】
接触性皮炎的病因有A.
原发性刺激
B.
光毒反应
C.
变态反应
D.
维生素缺乏
E.
慢性感染病灶
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【单选题】下列千斤顶按其构造工作原理分类中，( )具有起重量大、操作省力、上升平稳、安全可靠等优点，但其上升速度比较慢。
A.
齿条式千斤顶
B.
液压千斤顶
C.
螺旋式千斤顶
D.
直压式千斤顶
【简答题】Information Matching In this section, you are going to read a passage with ten statements attached to it. Each statement contains information given in one of the paragraphs. Identify the paragraph ...
【单选题】听力原文：Interviewer: Hello, Nancy. I know you are one of the few women taxi drivers in the city now and you drive for a living. What made you want to become a taxi driver in the first place? Nancy: (1 [D...
A.
she owned a car
B.
she drove well
C.
she liked drivers' uniforms
D.
it was her dream
【单选题】在千斤顶按其构造工作原理的分类中，( )具有起重量大、操作省力、上升平稳、安全可靠等优点，但其上升速度比较慢。
A.
齿条式千斤顶
B.
液压千斤顶
C.
螺旋式千斤顶
D.
直压式千斤顶
【单选题】听力原文：Interviewer: Hello, Nancy. I know you are one of the few women taxi drivers in the city now and you drive for a living. What made you want to become a taxi driver in the first place? Nancy: I too...
A.
she owned a car.
B.
she drove well.
C.
she liked drivers' uniforms.
D.
it was her childhood dream.
【简答题】从方框中选择恰当的句子，补全对话。（每题1分，共5分） A: Do you like living in the city or the countryside? B: 小题1: A: But I think the countryside is much better than the city for living. B: 小题2: A: Because there is terrible t...
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