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【单选题】
What best describes the woman's attitude?
A.
Angry
B.
Relaxed
C.
Anxious
D.
Confident
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【单选题】嘌呤霉素抑制蛋白质生物合成的机制是( )
A.
抑制转肽酶的活性
B.
抑制氨基酰tRNA合成酶的活性
C.
与A位上的氨基酰一tRNA形成肽酰嘌呤霉素
D.
取代一些氨基协tRNA进入A位
E.
以上都不对
【简答题】Do you know why some people are always healthy? If you study all the healthy people in the world, you’ll begin to notice some behaviors many of them share in common. For example, healthy people tend t...
【单选题】Why do some people begin to doubt the importance of inner values?
A.
Because they are told only talent, energy and personality are necessary to success.
B.
Because they are confused by the success of some people of unsound character.
C.
Because they no longer pay attention to inner values.
D.
Because they can't understand why successful people also conunit crimes.
【单选题】嘌呤霉素抑制蛋白质生物合成的机制是:
A.
抑制转肽酶活性
B.
可与核糖体受体上的氨基酰-tRNA形成肽酰嘌呤霉素
C.
抑制氨基酰-tRNA合成酶的活性,阻止氨基酰-tRNA的合成
D.
结构与甲硫氨酰-tRNA相似,与甲硫氨酰竞争结合Trna
【简答题】Chapter 3 Part one: Review question 3.1--3.5, 3.7--3.14 Part two: Problems 3.2, 3.3, 3.6, 3.9, 3.10, 3.11, 3.12, 3.14, 3.17, 3.18, 3.19, 3.21 Note: (1) Please write your work with a Word Document. (...
【单选题】Why do some people oppose the interpretation of news?
A.
Because they believe the interpretation will be too subjective.
B.
Because they are afraid that the interpretation will bring er.
C.
Because they are confined to the facts and can't see anything else.
D.
Because they say interpretation is total nonsense.
【简答题】我国目前已经建立了多少个国家级海洋自然保护区?( ) A .10个 B.20个 C.30个 D. 40个
【简答题】Chapter 3 Part one: Review question 3.1--3.5, 3.7--3.14 Part two: Problems 3.2, 3.3, 3.6, 3.9, 3.10, 3.11, 3.12, 3.14, 3.17, 3.18, 3.19, 3.21 Note: (1) Please write your work with a Word Document. ...
【单选题】Why do some people disapprove of Cuomo‘s statement? 查看材料
A.
Because Cuomo's proposal will not come into effect.
B.
Because over-reliance on test results will distort the aim of teaching.
C.
Because what Cuomo has said will make people lose faith in education.
D.
Because the focus of teacher evaluation system will be changed.
【单选题】嘌呤霉素抑制蛋白质生物合成的机制是
A.
抑制氨基酰-tRNA合成酶的活性,阻止氨基酰-tRNA的合成
B.
其结构与酪氨酰-tRNA相似,可和酪氨酸竞争与mRNA结合
C.
抑制转肽酶活性
D.
可与核糖体大亚基受位上的氨基酰-tRNA形成肽酰嘌呤霉素
E.
可与给位上的肽酰-tRNA形成肽酰嘌呤霉素
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