支气管扩张病人其痰液呈
A．黏液痰B．铁锈色痰C．大量脓痰分三层D．痰恶臭E．大量粉红色泡沫痰
参考答案：C
The children went home from the grammar school, their lessons _____ for the day. [ ]
A. finishing
B. finished
C. had finished
D. were finished
根据企业的实际情况而设定的最关键的指标，其关键之处在于如果这种指标没有做好，将对企业带来直接且严重的后果，该指标称为( )。
A．否决指标
B．关键指标
C．态度指标
D．绩效指标
