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【多选题】
promote的中文意思是?A.
促销
B.
促进
C.
晋升
D.
监视
E.
保证
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举一反三
【简答题】Why do some young people dislike living with their parents? Because they think the old parents are ______ to them.
【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
【单选题】Why do some people think hemp is better than trees for paper industry?
A.
It is cheaper to grow hemp than to cut down trees.
B.
More paper can be produced from the same area of land.
C.
Hemp planting can beautify the environment.
D.
Hemp can produce paper of high quality.
【简答题】我国目前已经建立了()个国家级海洋自然保护区。 A、20 B、25 C、28 D、30
【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.
可与核糖体受位上的氨基酰-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
【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.
其结构与甲硫氨酰-tRNA相似,可和甲硫氨酸竞争与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-RNA形成肽酰嘌呤霉素
E.
可与“给位上的肽酰-RNA形成肽酰嘌呤霉素
【单选题】Why is the usual reason of flag burning according to the passage?
A.
Some people do so to voice their position to a special issue.
B.
Some people do so to test the impatience of the public.
C.
Some people do so to express their hatred of the country.
D.
Some people do so to express their political opinion.
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