引起血膜过厚的因素是() A.血滴小 B.角度小 C.血液粘度高 D.速度慢 E.H 发布时间:2017-06-07 10:25 │ 来源:www.tikuol.com 题型:单项选择题 问题: 引起血膜过厚的因素是()A.血滴小B.角度小C.血液粘度高D.速度慢E.HCT偏小
题型:单项选择题 打雷时,总是先看到闪电,后听到雷声,这是因为( )A.打雷时,总是先发生闪电,后听到雷声B.打雷时,闪电和雷声同时发生,但光传播的速度比声音快C.打雷时,闪电和雷声随同时发生,但人眼比人耳反应快D.打雷时,闪电发生的地点和雷声发出的地点离人的距离不同 查看答案
题型:单项选择题 John was fired by his factory and only then ________ how wrong he was to be lazy and careless.[ ]A. had he realized B. he had realizedC. did he realize D. he realized 查看答案