问题
单项选择题
低压开关柜绝缘性能良好。绝缘电阻：380V时，不低于（）MΩ
A、2
B、2.5
C、1
答案
参考答案：A
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低压开关柜绝缘性能良好。绝缘电阻：380V时，不低于（）MΩ
A、2
B、2.5
C、1
参考答案：A
| 补全对话。 | |
(A)从方框内所给的句子中选择恰当的句子完成下面的对话。
Miss Green: Yes, and you are… Miss Wang: (2) This is my membership card (证件). Would you please show me your passport? Miss Green: OK, Miss Wang. (3) Miss Wang: Welcome to Beijing, Miss Green. I'm so glad that the first one I asked is the guest I will receive. Miss Green: Thank you, Miss Wang. (4) Miss Wang: Let me help you with your luggage (行李). Our car is waiting for us at the exit (出口). (5) Miss Green: Thank you very much for your good service. Miss Wang : It's a pleasure. (B)用适当的句子，短语或单词完成下面的对话，使对话完整 Boy: (6)________________those? Girl: They are electric slippers. Boy: (7)_______________________ Girl: For seeing in the dark. Boy: Oh, that's cool! (8)_______________________? Girl: Julie Thompson. Boys: (9)________________________? Girl: I'm not sure. But not very long ago. And look at this heated ice cream scoop. Boy: I know what it's for! It's used for scooping really cold ice cream. Girl: Right. It was invented by Chelsea Lanmon. Boy: My favorite are those shoes (10)_________________ adjustable heels. You know you can move the heels up and down. Jayce Coziar and Jamie Ellsworth invented them. You can change the style of your shoes. You can make the shoes go from casual to dressy. |