导爆管抗电性能为（）KV静电，爆速1600-2000m/s。
题型：填空题
问题：
导爆管抗电性能为（）KV静电，爆速1600-2000m/s。
题型：填空题
补全对话。
A: What can I do for you, Madam?
B: 1. ________
A: OK. Wc have apples, grapes and bananas on sale.
B: 2. ________
A: F'ive yuan a kilo.
B: I'll take nine apples. 3. ________
A: Three kilos. 4. ________
B: I'd like to buy some grapes for my grandparents. How much are the grapes?
A: Well, the green ones are three yuan a kilo and the red ones are four yuan a kilo.
B: Two kilos of the red ones, please.
A: All right.
B: 5. ________
A: Thank you.