题目内容

将二进制数 101101.101 转换为十进制数。

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Directions: In this task you are required to write a Letter of Reservation with the information given below. You should write about 100 words.写信人: Amanda Jacobs收信方：Grand Prince Hotel写信事由: hotel reservation of a double bed deluxe room住店时间: November 28-30, 2015预定人: Amanda Jacobs入住客人：Amanda Jacobs and her husband Mr. James Massey and their child below 10 years old到店时间: on November 28 at 2 pm其他要求: an extra bed for the child, settlement of payment to be made in full upon arrival, to respond with a confirmationLetter of Reservation

beta受体阻滞剂的降压机理是

A. 改善钠水潴留
B. 抑制RAAS系统
C. 抑制交感神经兴奋
D. 激活血管活性物质

原发性高血压通常起病

A. 缓慢
B. 急骤
C. 不一定
D. 猝死

家庭血压超过多少，可诊断高血压

A. 140/90
B. 135/85
C. 130/80
D. 120/80