心包压塞可出现的异常血管征是
A. 奇脉
B. 水冲脉
C. 交替脉
D. 短绌脉
E. 重博脉
What is true about the proposed rule on mercury'？
A. It will prohibit the emission of mercury pollutant strictly.
B. It will help U. S. government deal with climate problem.
C. It will hinder the U. S. Congress from passing a bill on greenhouse gases.
D. It will encourage the production of more power from renewable sources.
A．drawingB．payingC．attractingD．concentrating
A. drawing
B. paying
C. attracting
D. concentrating
Which of the following statements is true？
A. Fried Rich Hegel didn' t agree with Voltaire on the inliability of history.
B. Lord Acton suggested that history have nothing to do with moral standards.
C. Many historians enjoy studying history in order to help humans see themselves better.
D. Edward Gibbon lived in the Roman Empire.
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