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【单选题】
以下哪个属于 X 线机高压部件( )
A.
灯丝加热变压器
B.
空间电荷抵偿器
C.
稳压器
D.
自耦变压器
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【简答题】根据句意,用所给词的正确形式填空。 1. We were all surprised at his _____ (arrive). We thought he wouldn't come. 2. I told myself _____  (calm) down since was still alive. 3. We must pr people _____ (cut) down tre...
【单选题】使用止血带止血时,正确的方法是
A.
止血带应该扎在伤口的远心端
B.
压力要适当,上肢300-500mmhg,下肢250-300mmhg
C.
为了防止伤口出血,可以长时间束缚止血带
D.
上止血带时,要先用衬垫垫好
【单选题】应用止血带止血下列做法正确的是( )
A.
止血带缚扎越紧越好,止血效果确切;
B.
应每隔1小时放松1-2分钟,且使用时间一般不应超过4小时;
C.
上止血带的伤员必须有显著标志,并注明启用时间,优先后送;
D.
松解止血带之前,应先输液或输血,补充血容量,准备好止血用器材,然后再松止血带;
E.
因止血带使用时间过长,远端肢体已发生坏死者,应在原止血带的近端加上新止血带,然后再行截肢术。
【简答题】阅读理解。 Mr. and Mrs. Smith has their only son, Jack. Jack has a very small head. He only likes science(科学). He doesn’t like other lessons. He likes to break things and mend them again. And he likes maki...
【判断题】Absolute advantage, however, can explain only a very small part of world trade today, such as some of the trade between developed and developing countries. Most of world trade, especially trade among...
A.
正确
B.
错误
【单选题】We were all _____ to hear the news that Tom, the silly boy, had won an award.
A.
fluent
B.
rude
C.
amazed
D.
successful
【单选题】使用上肢止血带应缚在
A.
腕部
B.
前臂
C.
肘部
D.
上臂下段
E.
上臂上段
【单选题】使用止血带注意事项错误的是______。
A.
注明上止血带时间
B.
连续阻断血流不超过1小时
C.
上止血带前需抬高患肢
D.
上臂止血带应缚在中1/3处
【单选题】下列程序的执行结果是( ).for i in range(2): print(i,end=' ' )for I in range(4,6): print(I,end=' ' )
A.
2 4 6
B.
0 1 2 4 5 6
C.
0 1 0 1 2 3
D.
0 1 4 5
【简答题】下列程序的执行结果是(  ). for i in range(2): print(i,end=' ' ) for i in range(4,6): print(i,end=' ' )A. 0 12 4 5 6B. 0 10 1 2 3C. 0 14 5D. 2 46
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