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【单选题】
关于血液净化基本原理,错误的描述是:A.
弥散主要驱动力是浓度差，弥散对小分子的清除效果比较好
B.
对流对中分子的物质清除效果较好
C.
吸附与溶质浓度、溶质与膜的化学亲和力及膜的吸附面积有关
D.
血液透析以弥散清除为主，血液滤过以对流及部分吸附清除为主
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举一反三
【判断题】When taking an international flight, you’d better arrive at the airport terminal two hours before departure.
A.
正确
B.
错误
【单选题】If you are invited to a person’s home for a social occasion, you’d better arrive ______.
A.
at the exact time specified
B.
earlier than the specified time
C.
several minutes later than the specified time
D.
half an hour later than the specified time
【判断题】You’d better arrive ten minutes earlier when you are invited to have dinner at your French friend’s house.
A.
正确
B.
错误
【判断题】You’d better arrive to the room in which you will be speaking early to make sure everything is functional for your speech.
A.
正确
B.
错误
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