皮皮学，免费搜题
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【单选题】
青霉素的发酵生产是哪种微生物产生的? (20.0 分 )A.
灰色链霉菌
B.
青霉菌
C.
酵母菌
D.
放线菌
拍照语音搜题，微信中搜索"皮皮学"使用
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参考解析：
知识点：
皮皮学刷刷变学霸
举一反三
【简答题】B）翻译（共5小题，计10分） 阅读下面的短文，将划线句子翻译成中文。 51.Today life is much better than before. Vision phone(可视电话) is used in some provinces. Maybe it will be used in every family. People can have an examination a...
【简答题】固定零部件的方法有两种：1）空间绝对位置固定、2）空间______位置固定。
【单选题】The Case of the Disappearing Fingerprints One useful anti-cancer drug can effectively erase the whorls(萝状指纹)and other characteristic marks that give people their distinctive fingerprints．Losing them c...
A.
released
B.
suggested
C.
accepted
D.
detected
【简答题】Mr. and Mrs. Green were very worried about their son, Leo. He seemed to be dumb (哑的) 51 he was normal in every other way. Mr. and Mrs. Green tried everything to get him to 52 , but with no success. Wh...
【简答题】沟通的要求有传递者 、 接收者、( )、渠道。
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