船舶装载有毒害以及粉尖飞杨的散装货物在港内需冲洗时，事先必须申请（）批准。
A、卫生检疫部门
B、港监
C、公司
D、以上都可以
参考答案：B
This is an English boy(男孩). His name is Jim. He is twelve. He is in my school. We are in the same
grade. I'm in Class Three, Grade Seven, but he is in Class Four. I'm his good friend. He is my good friend, too.
根据短文内容，补全对话。
A: Excuse me, what's his name?
B: His name is Jim.
A: 1
B: J-I-M, Jim.
A: Where is he from?
B: 2
A: How old is he?
B: 3
A: Is he in your school?
B: 4
A: Is he in Class Three, Grade Seven?
B: 5 He is in Class Four, but we are good friends.
A: Thank you.
B: That's OK.
漏电保护对安全生产的作用主要有哪些？
