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【简答题】
湿陷性黄土地基常用的处理方法有哪几种
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举一反三
【单选题】—Would you mind if I open the window? ---_______. We need fresh air.
A.
Not at all
B.
Yes, of course
C.
You’d better not
D.
That’s all right.
【简答题】根据对话内容，从对话后的选项中选出能填入空白处的最佳选项。选项中有两项为多余选项。 —Honey, what would you say if we have a Christmas party at home this year? —61 . Where could you have it? The house is rather small. —62 . We could put fo...
【单选题】We would appreciate _______ if you could give us some advice on how to solve this problem.
A.
that
B.
you
C.
it
D.
this
【简答题】用所给词的正确形式填空。 1. I (real) love music. So I want to learn to play an instrument. 2. Would you like (travel) with us on holiday? 3. We are in the (three) year now. 4. Let (I) tell you the way to the bank...
【简答题】自米兰职权里斯托鞋类公司取得贵公司和地址,特此修函,祈能发展关系。多年来,本公司经营鞋类进口生意,现欲扩展业务范围。盼能惠赐商品目录和报价表。如价格公道,本公司必大额订购。 烦请早日赐复。 此致! Dear Sirs, We have obtained your___1___ from Aristo Shoes, Milan, and we are writing to __2__ whethe...
【多选题】大黄的总蒽醌提取液中含有大黄酸、大黄素、大黄酚、芦荟大黄素、大黄素甲醚五种游离蒽醌成分,选用下列那些方法可分离到单体
A.
p H 梯度分离法
B.
分步结晶法
C.
硅胶柱色谱
D.
pH 梯度分离与硅胶柱色谱相结合
【简答题】噪声污染必须有三个要素:_____、_____、_____。
【简答题】A: Sam, we haven’t gone out for over a month.Let’s go somewhere this evening. B: Fine, where would you like to go ? 56 A: A new play is on this week. Let’s go and watch it , shall we? B: Do you know w...
【简答题】选择填空，在方框内选择正确词汇或者短语，补全下列句子。（10分） A. relax yourself B. invented C. Would you mind D. exciting E. repair F. instead of G. lost H. the day after tomorrow I. right J. contact...
【多选题】大黄的总蒽醌提取液中含有大黄酸、大黄素、大黄酚、芦荟大黄素、大黄素甲醚五种游离蒽醌成分，选用下列那些方法可分离到单体（ ）
A.
分步结晶法
B.
氧化铝柱色谱
C.
pH梯度分离与硅胶柱色谱相结合
D.
硅胶柱色谱
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