现场监督在生产组织过程中，必须按油田分公司要求（），特殊情况及时汇报，并有文字汇报材料。
参考答案：按时按要求汇报
It's not as _______ as yesterday, so there are _______ children playing with their parents in the
People's Square. [ ]
A. warm; fewer
B. warm; less
C. warmer; fewer
D. warmer; less
M型超声心动图上肺动脉瓣曲线a波代表（）
A.肺动脉瓣开放
B.右房收缩
C.左房收缩
D.左室收缩
E.右室收缩
