与邮寄问卷相比，留置问卷的回收率（）。
A、基本相等
B、完全一致
C、较高
D、较低
参考答案：C
病人对压眶刺激出现痛苦表情，没有言语应答，且不能执行简单命令，目前病人处于的状态是
A．昏迷
B．嗜睡
C．睁眼昏迷
D．浅昏迷
E．深昏迷
There are mistakes in Mary's project, so her teacher is pleased with her work. [ ]
A. a little
B. little
C. a few
D. few
