国家环保模范城市对城市水域功能区水质要达到要求？
参考答案：
国家环保模范城市要求城市水域功能区水质达标率达到100%，且市内无劣五类水体。
根据所给情景完成下列对话,每空一词。
A: Hi! Jack. Do you want to ___1___ English with me?
B: Yes, I __2____.
A: What ___3___ do you often go to school?
B: I often go to school __4____ seven o'clock.
A: Oh, it's quite early. I get __5____ at seven. I often go to school at 7:30.
B: My home ___6___ near the school. Do you have lunch ____7__ home?
A: No, I ___8___. I have lunch at school. After lunch I play basketball ___9___ my friends.
B: Great! I like playing basketball, ___10___. But I play it at 4:30 in the afternoon.
在地面，电瓶电门在关位且备用电源电门在自动位，则电瓶汇流条（）
A.无电
B.由3号变压整流器供电
D.由热电瓶汇流条供电
D.由电瓶供电
