我国职业卫生的监督管理机制()
A. 用人单位负责
B. 行政机关监管
C. 行业协会自律
D. 职工参与和社会监督
You will hear Part A and sometimets Part B of each dialogue. Choose the best response to what Part B or Part C might say.
A. How are you, Li Hua?
B. I'm glad to meet you.
C. Are you really Li Hua?
D. Is that so, John?
You will hear Part A and sometimets Part B of each dialogue. Choose the best response to what Part B or Part C might say.
A. How do you do?
B. How are you doing?
C. It's a pleasure to meet you.
D. Say hello to you.
You will hear Part A and sometimets Part B of each dialogue. Choose the best response to what Part B or Part C might say.
A. Nice to meet you, Susan.
B. Fine, thanks.
C. How are you getting along?
D. Thank you very much.