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【单选题】
膜分离法是用天然或人工合成的高分子薄膜,以外界能量(如速度差)或化学位差为推动力,是一种()物理过程。A.
平衡
B.
拟平衡
C.
非平衡
D.
以上皆有可能
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【简答题】You can buy what you want in it.
【单选题】— Do you know ______ buy the book Harry Potter? — The book is _____ popular that you can buy it at any bookshop. [ ]
A.
where can I, so
B.
where can I, such
C.
where I can, so
D.
where I can, such
【单选题】根据环境空气质量标准GB 3095-1996,二级标准的总悬浮颗粒物年平均和日平均浓度分别为()和()毫克/立方米。
A.
0.08和0.12;
B.
0.20和0.30;
C.
0.30和0.40;
D.
0.30和0.50
【单选题】下列关于历史文化名城保护规划的表述，不正确的是（ ）
A.
历史文化名城保护规划即魁文物保护规划
B.
历史文化名城可在城市性质中表述
C.
历史文化名城保护规划对其他专业规划具有制约作用
D.
经批准的历史文化名城保护规划具有法律效力
【简答题】A．If the market goes down, you can buy in and hang on. B．If the market goes up, you can buy in and hang on. C．If the market keeps changing you can buy in and hang on. D．If the market remains changeles...
【简答题】环境空气质量标准 GB3095-2012 将环境空气质量功能区分为: 。
【单选题】What can you do if you are not sure about the postage?
A.
You can buy stamps from machines.
B.
You can buy different stamps of different prices.
C.
You can ask the clerk for help.
D.
You can put more stamps on the envelopes.
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