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【单选题】
听力原文:W: Is there a gift shop in this hotel? I don't have time to go to the department store before my flight takes off. M: I am sorry. The shop is currently closed due to renovation. There is a very good one at the airport. W: Okay! I'll try that. I hope they have local arts and crafts. My husband likes those kinds of things. M: You can find them there. Where will the woman look for a gift?
A.
At the hotel.
B.
At the department store.
C.
At the airport.
D.
At the arts and crafts store.
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【单选题】What does she look like? [     ]
A.
She is well.
B.
She is good.
C.
She is tall.
D.
She likes her.
【单选题】以下哪种物质在PCR反应中不需要
A.
Taq DNA聚合酶
B.
dNTPs
C.
引物
D.
RNA酶
E.
合适的PH缓冲液
【单选题】以下哪种物质在PCR反应中不需要
A.
Taq DNA 聚合酶
B.
dNTPs
C.
Mg2+
D.
RNA 酶
【单选题】McGuire proposed Labor Day in order to ______.
A.
draw people's attention to the striking contrast between the rich and the poor
B.
make prominent the important role of the working class in society
C.
win for the workers the right to shorter working hours
D.
expose the exploitation of the workers by their bosses
【单选题】—What does your sister do ? — . [     ]
A.
She is in the supermarket.
B.
She is very tall.
C.
She is a teacher.
D.
She is fine.
【判断题】红外光导摄像管中,红外图像所产生的温度分布可以把靶面上感应出相应电压分布图像的物理基础是光电效应。
A.
正确
B.
错误
【简答题】红外光导摄像管中,红外图像所产生的温度分布可以在靶面上感应出相应电压分布图像的物理基础是 ( )A. 光电效应 B. 电磁效应 C. 压电效应 D. 热电效应
【单选题】以下哪种物质在PCR反应中不需要
A.
Taq DNA聚合酶
B.
dNTPs
C.
镁离子
D.
RNA酶
【简答题】—What does your sister do ? — . A.She is in the supermarket. B,She is very tall. C.She is a teacher. D.She is fine.
【单选题】红外光导摄像管中,红外图像所产生的温度分布可以在靶面上感应出相应电压分布图像的物理基础是( )。
A.
压电效应
B.
电磁感应
C.
光电效应
D.
热电效应
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