【单选题】风湿性二尖瓣关闭不全具有以下体征,除外( )。
【多选题】在工作说明书中,以下哪些不是描述工作场所以及工作的物理环境、安全环境和社会环境的部分( )
【单选题】I ’ ve been studying in this university for four years, by next summer I________.
【单选题】W: You ve been studying for the last three hours! You need to take a break. M: I wish I could. I've got two midterm examinations tomorrow morning. 6. What will the man probably do next?
C.
Take a midterm examination.
D.
Stop studying and have a good rest.