据WHO估计,职业人群的就业年龄为( )
A.16~60岁 B.20~60岁C.18~55岁 D.22~60岁
参考答案:B
情景交际。
A: Hello, is that Wu Bin speaking?
B: Yes. Who's that?
A: This is Tian Hong. Are you free this Saturday evening?
B: (1)
A: I've got two tickets to Jay Chou's concert. (2)
B: Certainly, I'd love to. He's my favorite singer. It's very nice of you. (3)
A: Let's meet at the gate of the park at four o'clock.
B: (4) I want to buy him a gift.
A: OK. I'll get there at three. Shall we go to the shopping center to buy the gift?
B: (5) See you then.
A: See you.
A: Would you like to go with me?
B: Sounds good.
C: When and where shall we meet?
D: I'll see a movie.
E: Could you please get there earlier?
F: Yes. What's up?
()属重伤。
A.轨头下颚透锈长度29mm
B.钢轨低头4mm
C.钢轨有微小裂纹
D.钢轨项面上有长52mm、深12mm的掉块