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【单选题】
关于跌倒描述错误的是A.
发现老人跌倒，首先应关心老人马上把老人扶起或抱起
B.
出现关节异常，畸形，剧烈疼痛，活动后加剧的应立即拨打“120”
C.
局部出现肿、痛的应立即予冰敷
D.
四肢大出血需在肢体近心端进行止血带结扎止血
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反馈参考答案：
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【单选题】When I got on the bus， I __ I had left my wallet at home.
A.
was realizing
B.
realized
C.
have realized
D.
would realize
【简答题】Still, many people are buying the large, round fruit. Pumpkins are an important part of the American celebration of Halloween on October thirty-first. Many families visit farms or farmers’ markets so ...
【多选题】一个单位负反馈系统的开环传递函数为【图片】，试确定系统阶跃响应的动态性能【图片】,【图片】,【图片】。(取【图片】=5%)（ ）
A.
=16.3%
B.
=4.3%
C.
=2.42s , =6s
D.
=1.22s , =8s
【单选题】Not until then _____ their marriage was breaking up because they had little in common.
A.
did I realize
B.
I realized
C.
had I realize
D.
has I realized
【判断题】Carved pumpkins are used to scare away vampires, according to some superstitious people.
A.
正确
B.
错误
【多选题】一个单位负反馈系统的开环传递函数为【图片】，试确定系统阶跃响应的动态性能【图片】,【图片】,【图片】。(【图片】=5%)（ ）
A.
=16.3%
B.
=4.3%
C.
=2.42s , =6s
D.
=1.22s , =8s
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