缺氧患者的典型体征是() A.呼吸困难 B.兴奋 C.病理征阳性 D.头痛 E.发绀 发布时间:2017-08-24 16:48 │ 来源:www.tikuol.com 题型:单项选择题 问题: 缺氧患者的典型体征是()A.呼吸困难B.兴奋C.病理征阳性D.头痛E.发绀
题型:单项选择题 完形填空。breakfast, look, quickly, tooth, again, something, like, nicer, way, begin, hungry, anything Mr.Johnson was a good man, but he had a shortcoming (缺点). He didn't like to get up early in themorning. It was half past seven this morning when he 1 at his watch. He got out of bed 2 .Then he washed his face and brushed (刷) his 3 at coce. Then he put on his clothes and left hishouse in a great hurry (匆忙). He was late 4 . He had to run all the 5 to the bus stop and gotthere just in time for the bus. He got to his office and 6 to work. Mr.Johson never ate 7 inthe morning, so he was 8 all the morning. When his friends asked him, "Why don't get up early to have 9 in the morning?" He always said to them, "It is nice to have breakfast. But it is 10 to lie (躺) in bed!" 查看答案
题型:单项选择题 水稻的体细胞有12对染色体,则它的精子、卵细胞和受精卵的染色体数目分别是( )A.12对,12对,12对B.12条,12对,12对C.12条,12条,12对D.12条,12条,12条 查看答案
题型:单项选择题 1946年3月12日,杜鲁门在一次国会演说中提到:希腊除美国之外,无其他国家可以向之乞援,无一国家愿意,亦不能以必需之物供应希腊民主政府,这次演讲的目的是A.揭露苏联利用经济手段控制希腊的企图B.希望国会支持政府采取措施遏制苏联C.表达成为希腊盟友,共同发展经济的愿望 D.宣传马歇尔计划对希腊经济恢复的重要性 查看答案
题型:单项选择题 如图,在光滑的水平面上叠放着甲、乙两个木块,甲木块用一根细绳拴在左边固定的竖直板上,现在用力把木块乙从右端匀速地抽出来,所用的力F=15N,则甲、乙两木块所受的摩擦力是( )A.甲为零,乙受向右的15N的力B.甲和乙都受向右15N的力C.甲和乙都受向左15N的力D.甲和乙都是15N,甲受向右的力,乙受向左的力 查看答案