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问题 单项选择题

高压电缆外护层接地电流带电检测时应与设备带电部位保持足够的安全距离，并戴（）。

A.线手套

B.皮手套

C.塑胶手套

D.绝缘手套

答案

参考答案：D

补全对话，情景问答
给下列的问句选择合适的答语。
( ) 1. What colour is it?
( ) 2. What's her name?
( ) 3. Let's clean the desks.
( ) 4. Are they on the table?
( ) 5. What would you like?
( ) 6. What's your mother?
( ) 7. Who's that woman?
( ) 8. Where are the keys?
( ) 9. Can I help you?
( ) 10. Is he a doctor?
( ) 11. What can you see in the picture?
( ) 12. What's in it?
( ) 13. Who is that man? 
( ) 14. What's for dinner?
( ) 15. How many people are there in your family?		A. They are in the door.
B. She is my aunt.
C. It's yellow.
D. Yes, please.
E. Her name is Sarah.
F. All right.
G. No, he isn't.
H. She is a teacher.
I. Yes, they are.
J. I'd like some fish.
K. Four.
L. He is my father.
M. Two birds.
N. Rice and vegetables.
O. Some pens.
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单项选择题 A1型题

翼腭管的构成包括（）。

A.蝶骨、颧骨和腭骨

B.颧骨、上颌骨和腭骨

C.蝶骨、上颌骨和腭骨

D.蝶骨、颧骨和上颌骨

E.额骨、颧骨和上颌骨
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