—鸡场饲养3000只蛋鸡,日粮中钙含量为1%,钙磷比供为3:1。在鸡群中最可能出现具 发布时间:2017-06-05 13:26 │ 来源:www.tikuol.com 题型:单项选择题 A2型题 问题: —鸡场饲养3000只蛋鸡,日粮中钙含量为1%,钙磷比供为3:1。在鸡群中最可能出现具有诊断意义的症状是()A.腹泻B.呼吸增快C.体温升高D.鸡冠苍白E.产软壳蛋
题型:单项选择题 A2型题 选词填空。like , very , have, girl, every, basketball, watch, too, sport, more Linda is a __1__. She ___2___ sports ___3___ much.. She ___4____ a small __5____collection. She has three _6____ and four rackets. She plays sports __7__ day. She __8____ sports games on TV ,__9__. She likes basketball best. She wants to buy some ___10___ basketballs. 查看答案
题型:单项选择题 A2型题 以下彩色血流显像的特点哪一项不对()。A.血流方向朝向探头,显示红色B.血流方向背离探头,显示蓝色C.血流流速越高,显示的亮度越亮D.血流出现紊流时显示为红蓝相杂的五彩色E.动脉血流显示为红色,静脉血流为蓝色 查看答案