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.
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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
The cost of providing shipping services contain ()
A. fixed costs
B. variable costs
C. raw materials cost
D. insurance costs
参与全国银行间债券回购的非金融机构只可委托结算代理人进行债券交易和结算。 ()
A. 正确
B. 错误
A．preventB．protectC．developD．exploit
A. prevent
B. protect
C. develop
D. exploit
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