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[主观题]

He boasted to be able to drive a car,but ___fact,he has no drive license.

A. for

B. on

C. in

D. out

答案
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更多“He boasted to be able to drive a car,but ___fact,he has no drive license.”相关的问题

第1题

大多数CML患者特异性融合基因是A.bcr/ablB.PML/RARaC.PLZF-RARaD.NPM-RARaE.DEK-CAN

大多数CML患者特异性融合基因是

A.bcr/abl

B.PML/RARa

C.PLZF-RARa

D.NPM-RARa

E.DEK-CAN

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第2题

慢性粒细胞白血病的确诊依据是:()

A. 血象变化

B. 检出Ph染色体或BCR/ABL融合基因

C. 髓象及骨髓活检

D. 中性粒细胞碱性磷酸酶积分减低

E. 白细胞免疫分型

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第3题

SH3区约由60个氨基酸组成,存在于许多不同的蛋白质中——包括非受体酪氨酸激酶的Src、Abl和Sem5,Scm5是线虫信号

SH3区约由60个氨基酸组成,存在于许多不同的蛋白质中——包括非受体酪氨酸激酶的Src、Abl和Sem5,Scm5是线虫信号转导中的小接头蛋白。同SH2一样,SH3区可识别并结合其他蛋白质中的结构基序。

为鉴定出与SH3区结合的结构基序,可构建SH3的氨基酸顺序区域与谷光甘肽-S转移酶(GST)的融合蛋白,从而可在细菌中得到大量的融合蛋白。你要用纯化的生物素标记GST-SH3融合蛋白,从E.coli表达的cDNA文库中筛选(用生物素标记的GST-SH3融合蛋白检测固定在虑膜上的能与它相互作用的蛋白的方法灵敏度高)。为了作一对照,可用生物素标记GST来同时探测两张同样的膜。

从文库中筛选分离到两个不同的克隆,分别命名为3BP-1、3BP-2,进一步的分析证明这些克隆均编码与SH3区结合的蛋白质,且这些蛋白质与SH3结合的区域是在一富含脯氨酸的短序列内。

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第4题

Only recently he began ______ (realize)that he was wrong.

Only recently he began ______ (realize)that he was wrong.

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第5题

He is busy now.If he ______ (be)free, he ______ (go)with you.

He is busy now.If he ______ (be)free, he ______ (go)with you.

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第6题

He said he would ______ me to the president, but he didn't.A.recommendB.communicateC.comme

He said he would ______ me to the president, but he didn't.

A.recommend

B.communicate

C.comment

D.request

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第7题

______, he never takes anything from his neighbors.A.As he is poorB.Poor as he isC.As poor

______, he never takes anything from his neighbors.

A.As he is poor

B.Poor as he is

C.As poor he is

D.As is he poor

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第8题

Your friend needs to come earlier,___?
Your friend needs to come earlier,___?

A.does he

B.doesn't he

C.need he

D.needn't he

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第9题

When he started the company, he thought he'd be able to cruise alongside the top businesses in t
he market, but he is disappointed because he hasn't yet succeeded.
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第10题

() today, he would get there by Sunday.

A.Would he leave

B.Was he leaving

C.Were he to leave

D.If he leaves

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第11题

He sent her a letter ______ he said that he was sorry for what he had done to her.

A.which

B.that

C.in which

D.whom

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