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【简答题】
微生物包括哪些类群?并了解它们的生物分类。
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举一反三
【单选题】—_____ does Helen _____ to school? —By bike. [     ]
A.
What, go
B.
How, to go
C.
How, go
D.
How, going
【单选题】Listen to the conversation and choose the best answers for the questions。the conversation will be read twice. How does Joshua go to school in Japan?
A.
He goes to school by school bus.
B.
He goes to school by subway.
C.
He goes to school on foot.
【单选题】有形净值债务比率中的“有形净值”是指( )。
A.
有形资产总额
B.
所有者权益扣除无形资产
C.
固定资产净值与流动资产之和
D.
有形资产总额扣除负债
【单选题】下列关于酵母的物质和能量代谢的说法错误的是( )
A.
在葡萄汁中,酵母主要利用糖作为碳源获得能量
B.
氮源是酵母的一个重要营养物质,缺乏时酵母的代谢就会产生变化,产生一些还原性的气味
C.
葡萄浆果果皮表面的麦角甾醇和齐墩果酸,能够促进酵母的活动,被称为生存素,越是在AF后期困难的条件下,使用生存素的效果越好
D.
当基质中不再含有酵母菌所需营养物质时,部分酵母菌自溶形成高级醇和氨基酸等,对葡萄酒的质量构成不利影响
【单选题】Listen to the conversation and finish the following 4 questions. How does Joshua go to school in Japan? ( )
A.
He takes a school bus every morning.
B.
He rides the subway at 8:00 AM.
C.
He walks with a group of students.
D.
His parents take him to school.
【简答题】Welcome to the zoo, everyone! I'm glad to take you around the zoo on such a beatiful day. I'm Jane, and I am a middle school student.Today,I am a volunteer(志愿者) in the zoo. First of all, I want you to...
【判断题】退货封箱时要把退货货品按照供应商、日期、货品状态分类整理装箱。
A.
正确
B.
错误
【判断题】拉伸一个部位用两个夹借时可以允许比用一个夹钳时加一倍的 拉力。
A.
正确
B.
错误
【单选题】Listen to the conversation and finish the following 4 questions. How does Joshua go to school in Japan? ( )
A.
He takes a school bus every morning
B.
He rides the subway at 8:00 AM.
C.
He walks with a group of students.
D.
His parents take him.
【单选题】Windows 98的桌面是一个()
A.
系统文件夹
B.
用户文件
C.
系统文件
D.
用户文件夹
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