未在Internet网而是通过网线连接的两台电脑()实现资源共享。
A、可以
B、不可以
C、有时可以
D、不确定
参考答案:A
呼吸衰竭的并发症包括()
A.电解质紊乱
B.酸碱平衡失调
C.心律失常
D.冠心病
E.上消化道出血
Your usual teacher has lost his voice and ______ I am taking his place today.
A.nevertheless
B.however
C.moreover
D.accordingly