易导致主动脉瓣狭窄患者晕厥的情况为()。 A.服用硫氮酮 B.休息 C.剧烈运动 D 发布时间:2017-12-07 21:16 │ 来源:www.tikuol.com 题型:单项选择题 问题: 易导致主动脉瓣狭窄患者晕厥的情况为()。A.服用硫氮酮B.休息C.剧烈运动D.睡眠E.窦性心率,心率70次/分
题型:单项选择题 用单词的适当形式填空。1. Don't enter the house without _____ ( knock) at the door.2. Spaceship _____ (with) people has reached other parts of the space.3. How _____ (be) Paul's party last night?4. Students are not supposed _____ ( be) late for school. 查看答案
题型:单项选择题 用10 mL的0.1 mol·L-1 BaCl2溶液恰好可使相同体积的硫酸铁、硫酸锌和硫酸钾三种溶液中的硫酸根离子完全转化为硫酸钡沉淀,则三种硫酸盐溶液的物质的量浓度之比是CA.3∶2∶2B.1∶2∶3C.1∶3∶3D.3∶1∶1 查看答案
题型:单项选择题 . The party supposed to be very boring _____ to be very interesting.A.turned onB.turned downC.turned outD.turned over 查看答案