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【单选题】
组成蛋白质的基本单位是( )。
A.
基因
B.
核苷酸
C.
细胞
D.
氨基酸
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参考答案:
举一反三
【多选题】机器一般由( )组成,自动化机器中还可以有第四部分,即自动控制部分。
A.
动力部分
B.
工作部分
C.
传动部分
D.
原动部分
E.
辅助部分
【判断题】蜂窝损失通常发生在货物形状、货物堆码和储位分配时竖直或水平空间没有充分利用的情况。
A.
正确
B.
错误
【多选题】发酵工程涉及的发酵技术主要包括 【】
A.
菌种筛选与保藏
B.
菌种鉴定与分析
C.
发酵培养基制备技术
D.
发酵过程控制优化技术
E.
发酵过程配套技术
【多选题】机器一般由()组成,自动化机器中还可以有第四部分,即自动控制部分。
A.
动力部分
B.
工作部分
C.
传动部分
D.
原动部分
E.
轴助部分
【判断题】生物技术主要包括基因工程、酶工程、发酵工程和细胞工程。( )
A.
正确
B.
错误
【单选题】I can think of many cases ______ students can’t write a good article though having a large vocabulary.
A.
where
B.
which
C.
that
D.
to which
【简答题】发酵工程主要包括___________,___________,__________,__________和_____________等内容。
【单选题】听力原文:W: You don't look too happy. What's the problem? M: Well, I've got to write a composition for my English class, and I just can't come up with any idea, and it's due tomorrow. Q: What is the man's...
A.
He hasn' t decided on a topic for his composition.
B.
He has fallen behind others in English class.
C.
He hasn't made up his mind as to what to write about.
D.
The book he borrowed will be due tomorrow.
【多选题】发酵工程主要内容一般包括
A.
生产菌种的选育培养及扩大
B.
培养基的制备
C.
设备与培养基的灭菌
D.
无菌空气的制备
【单选题】听力原文:W: You don't look too happy. What's the problem? M: Well, I've got to write a composition for my English class, and I just can't come up with any idea, and it's due tomorrow. Q: What is the man's...
A.
He has to change the topic for his composition.
B.
He has fallen behind others in English class.
C.
He hasn't made up his mind as to what to write about.
D.
The book he borrowed will be due tomorrow.
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