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【简答题】
配制培养基时，为什么要先配母液？如何配制母液？
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举一反三
【单选题】---Excuse me, how can I find useful information on the Internet? --- ________ the information you need, type in the keywords and then lots of websites will appear.
A.
Find
B.
To find
C.
Finding
D.
Found
【简答题】He (think) ______ to have information which will be useful to the police.
【简答题】颅顶主要的缝有（）和（）和人字缝。
【简答题】Liu: Hello! Sunlight Bicycle Company. Mr. Smith: Hi, could I speak to Liu Heng in 1 2 ? Liu: Oh, glad to receive your call. What can I do for you? Mr. Smith: Having seen your 3 at the fair, I’d like ...
【简答题】Liu: Hello! Sunlight Bicycle Company. Mr. Smith: Hi, could I speak to Liu Heng in 1 2 ? Liu: Speaking! Mr. Smith: This is Tom Smith, Purchasing Manager of Chicago Sports Import and Export. We met at C...
【简答题】Liu: Hello! Sunlight Bicycle Company. Mr. Smith: Hi, could I speak to Liu Heng in _________ ________ ? Liu: Oh, glad to receive your call. What can I do for you? Mr. Smith: Having seen your __________...
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