井下钻进施工区域应保持整洁,钻杆用()垫起,排放整齐、捆绑牢固。
A.矸石块
B.地坪
C.铁料
D.料架
参考答案:D
老师要求编写四个定语从句的句子,小明把作业写在了电脑中,可电脑程序突然出现问题,小明写好的句子全乱了,他很着急,请你帮他把句子整理好。
1. Jim that I lost the key found yesterday.
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2. I who is know the man a model worker.
3. The I received yesterday letter that was from my parents.
4. This who saved is the doctor the boy’s life.
下列哪些为咽喉病的常用治法?()
A.吹药
B.超声雾化
C.利膈通便
D.化痰散结
E.以上都是