【单选题】某男孩,2岁,自诉乏力、心悸、头晕3月余。查体:面色、甲床苍白。护士遵医嘱抽血查血常规。 问题3:抽血前应向家长解释检查的目的为?
【判断题】1PB的数据量大于1ZB的数据量。() 判断对错
【单选题】The President during the American Civil War was ______.
【单选题】听力原文:M: Andrew Jackson, who was President of the United States from 1829 to 1837, was one of the most colorful political figures in American history. He first won national attention during the War of ...
A.
He was the commander of the American Army during the War of 1812.
B.
He was President of the United States.
C.
He was one of the most colorful political figures.
【单选题】1EB= ( ) B, 1ZB= ( ) B 。
【单选题】在手动变速器中,为了防止同时挂入两个档位,变速器采用的装置是___。