皮皮学，免费搜题
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【单选题】
能在蔗糖含量高的食品中生长的微生物类群是（ ）A.
放线菌
B.
酵母菌
C.
霉菌
D.
细菌
拍照语音搜题，微信中搜索"皮皮学"使用
参考答案：
参考解析：
知识点：
皮皮学刷刷变学霸
举一反三
【简答题】请解释以下概念:(1)气血屏障;(2)呼吸;(3)物质代谢
【简答题】如图所示,用射线理论分析子午光线在阶跃光纤中的传输原理。
【单选题】听力原文： when I first went to London as a student,I sat alone during parties with my glass of wine.I hoped people would think that I was having great thoughts and that someone might come up to me and say...
A.
Enjoyed the wine and delicious foods.
B.
Listened to the stories of friends.
C.
Sat alone and waited someone to come up.
D.
Talked to the interesting looking people.