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【单选题】
下列焊接试验中属于机械性能试验的是()。A.
水压试验
B.
冲击试验
C.
试验
D.
射线探伤
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皮皮学刷刷变学霸
举一反三
【单选题】You should frequently compare drum-mounted and remote-reading water level indicators_____ between these have contributed to failures because of overheating through shortage of water, when a boiler was...
A.
descriptions
B.
discrepancies
C.
different
D.
deflections
【简答题】啤酒是生活中常见的饮料，其中含有CO 2 、H 2 O、蛋白质等物质．为研究啤酒的相关问题，现进行如下实验： （1）观察一瓶啤酒，未见气泡；打开啤酒瓶盖，会冒出大量气泡，原因是 ______．使啤酒的气泡快速放出的方法有搅拌、振荡、______等． （2）为验证放出的气泡是CO 2 ，你的实验方法是 ______．
【单选题】Why did the writer compare reading a thick book to a building?
A.
Both of them need time.
B.
Both of them have precise structures.
C.
Both of them need imagination.
D.
A and Ｂ.
【简答题】这个女孩的穿着是班里最时髦的。
【简答题】这个女孩的穿着是班里最时髦的。(翻译)
【单选题】Why did the writer compare reading a thick book to a building?
A.
Both of them need time.
B.
Both of them have precise structures.
C.
Both of them need imagination.
D.
A and B
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