噪声聋是生产性噪声引起的职业病,工作场所操作人员每天连续接触噪声8h,噪声声级卫生限值为()分贝
A. 75
B. 85
Kate正在写作业,你想问她问题,你应该先说()
A. Excuse me
B. Sorry
C. Good morning!
当你想问远处的东西是什么时,你会说()
A. What’s this?
B. What’s that?
C. Who are you?
你想知道新同学的名字你会这样问()
A. What’s your name?
B. How are you?
C. How old are you?