反复性过劳损伤的主要症状是()
A.情绪痛苦
B.抑郁
C.疲乏
D.臂或手痛
E.腰背痛
参考答案:D
The boss _______ company I worked in two years ago has ______ in solving such kind of problem.
A.whose; many experiences
B.who; many experiences
C.whose; much experience
D.which; much experience
局域网与Internet主机的连接方法有两种,一种是通过(),另一种是通过()与Internet主机相连。