从事严重有毒有害作业和特别繁重体力劳动的工种，应当（）。
A．延长工作时间
B．缩短工作时间
C．停止工作
参考答案：B
将下面对话补充完整
Tom: Hello! Nice to meet you!
Mike: 1 !
Tom: I'm Tom. 2 ?
Mike: I'm Mike.
Tom: Oh, Mike, do you like movies?
Mike: Yes.I do.
Tom: 3 ?
Mike: Oh, no. They are too scary.I like action movies.
Tom: Really? 4 ?
Mike: Yes, Jackie Chan is my favorite actor.
Tom: 5 ?
Mike: Yes,I like his movies. They are very exciting and interesting.
胃溃疡的直接征象是（）
A.痉挛性切迹
B.空腹潴留液
C.蠕动减弱
D.龛影
E.充盈缺损
