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【判断题】
()齿轮传动也可按齿廓曲线分类,常用的有渐开线齿轮传动、摆线齿轮传动和圆弧齿轮传动等。A.
正确
B.
错误
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反馈参考答案：
举一反三
【简答题】某人说过:“当代的重大问题并非通过演说和多数派决议就能解决,而是要用铁和血来解决”。此人是
【判断题】(Four Choices for Young People) Few unspoiled places remain in our world where the escapists can practice plain-living and high thinking.()
A.
正确
B.
错误
【简答题】Quite a few young people nowadays have the habit of listening to background music while doing their homework.
【单选题】聂女士,26岁,G1P1,孕38周临产,因头盆不称拟行剖宫产术。护士为患者介绍手术情况的信息中,哪项不合适
A.
麻醉以连续硬膜外麻醉为主
B.
子宫体部剖宫产术最常见
C.
术前一晚应进半流质饮食，午夜后开始禁食禁水
D.
有前次剖宫产史者，也可再次行剖宫产术
E.
术前需留置导尿管
【单选题】A few years ago it was common to speak of a generation gap between young people and their elders. Parents said that children did not respect and listen to them, while children said that their parents ...
A.
the problem of the generation gap draws much attention from people
B.
it is out of date to talk about the generation gap
C.
children and parents are trying to understand each other
D.
it is very important for people to talk with each other often
【简答题】下列各项与自然选择无关的是()A.长颈鹿长颈的形成此题出自2015年湖南益阳中考生物真题及答案,益阳市2015年普通初中毕业学业考试试卷生物 下列各项与自然选择无关的是 A.长颈鹿长颈的形成 B.雷鸟的体色与周围环境色彩非常相似 C.鱼的背部是深色、腹部是白色 D.一窝小猫的体色有黑、白和黄色
【单选题】(以下4题共用题干)聂女士,26岁,G1P0,孕38周临产,因头盆不称拟行剖宫产术。术后的护理措施中,哪项不合适
A.
术后24-48小时可拔出导尿管
B.
保持外阴清洁，擦洗外阴2次/d
C.
待产妇肠道通气后指导母乳喂养
D.
剖宫产术后应避孕2年再孕
E.
术后产褥期内禁止性生活
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