He is a captain who leads<br/>______<br/>example. A: in B: for C: after D: by

Someone is knocking at the door. Go to see ______. A: who he is B: who is it C: who it is

看到虐待动物他感到极为厌恶。( ) A: He was<br/>disgusted to see cruelty to animals. B: When he sees<br/>someone who ill-treats animals, he feels disgusted. C: Seeing cruelty<br/>to animals makes him disgusted. D: He<br/>was filled with disgust at the sight of cruelty to animals.

Tom<br/>is responsible for project managers who supervise others who perform<br/>manual work. He reports to a vice president on another continent. <br/>Tom is a ________.() A: middle<br/>manager B: first<br/>line manager C: top<br/>manager D: nonmanager

哪些命令组合起来能统计多少用户登录系统() A: who<br/>| wc -w B: who<br/>| wc -l C: who<br/>| wc -c D: who<br/>| wc