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【单选题】
采用特定的培养基，使待分离的微生物生长更快，从而使它们的相对数量增加，有利于进一步的分离。这种培养基称为_______。A.
选择培养基
B.
富集培养基
C.
基础培养基
D.
合成培养基
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【单选题】Please correct the order of the structure according to the main idea of the six paragraphs in a logical way: 1. touches on the criterion of book selection 2. specifies the readers who are eligible to ...
A.
1-2-3-4-5-6
B.
2-4-5-6-3-1
C.
5-2-1-4-3-6
D.
5-2-1-3-4-6
【简答题】The story involves a shipwreck on the West coast of Africa. The passengers on the ship include a certain Lord and Lady Greystoke from England. Lord and Lady Oreystoke are the only survivor of the ship...
【单选题】Which of the following reasons CANNOT explain why Meredith Vieira was on the list of the 100 most powerful women in the world?
A.
Because she's going to be taking the role of the Today Show from Wednesday.
B.
Because she's accomplished a lot over the course of her many years in this profession.
C.
Because she's going to be so influential in what she does.
D.
Because she is an award-winning newswoman, and she's spent nine years on the view.
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