大面积烧伤常见的早期休克是因为()
A.烧伤毒素所致
B.细菌感染引起中毒性休克
C.强烈疼痛刺激所致
D.大量液体渗出引起低血容量所致
E.大量红细胞破坏所致
参考答案:D
Look, a group of students are playing the violin there, _______ their teacher as the conductor.
A.in front of them stand
B.in front of them stands
C.in front of whom standing
D.in front of whom stands
简述工作评价的作用。