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【判断题】
等密度梯度离心适合于密度相近,大小不同的颗粒分离。A.
正确
B.
错误
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【简答题】INTERNET的接入方式可以分为______ 方式和______ 方式。
【简答题】achieve 形容词:_________ 可完成的,可达到的
【单选题】Staff are allowed to take a ten-minute break every two hours to relax, use the bathroom or do ___________ else is necessary.
A.
something
B.
anything
C.
whatever
D.
what
【简答题】氯离子滴定的操作试验中,采集钻井液样500 mL,若钻井液粘度()18 s(如无固相钻井液),可用漏斗直接过滤;若钻井液粘度()18 s,需用失水仪加压过滤。(填大于,小于)
【简答题】Anything you do repeatedly, especially when it's boring, can be described using the adjective ____________. Jobs like loading and unloading a dishwasher, filing papers, and cleaning a bathroom can all...
【单选题】According to the survey, 22% of iPhone users wouldbrowseand make purchases in the bathroom.
A.
to look around casually and randomly, without seeking anything in particular
B.
to shop around; not necessarily buying anything
C.
to eat lightly, try different dishes
D.
None of the above
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