题目内容

The ______ in e-mail messages has affected almost every computer around the world and has

A. illness
B. virus
C. weakness
D. attachment

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A．$130.B．$300.C．$230.D．$30.

A. $130.
B. $300.
C. $230.
D. $30.

道路建筑用石料按饱水抗压强度和磨耗率两项力学指标划分为4个等级，从1级到 4级，表示强度从弱逐渐到强。()

A. 正确
B. 错误

听力原文：W: Mr. Johnson, have you heard the morning news report？ Mill has resigned his post as Prime Minister.
M: I didn't turn on the radio this morning, but I did see the headlines. If you remember, he threatened to leave the office at the last cabinet meeting.
Q: How did the man get the news？
(3)

A. He read the cabinet report.
B. He read the newspaper.
C. He listened to a radio report.
D. His secretary telephoned him.

如心电图上出现连发的形态异常的QRS波群，最可能的诊断是

A. 室内差异性传导
B. 室性心动过速
C. 室性融合波
D. 阵发性室上性心动过速
E. 以上均不是