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【单选题】
在液力自动变速器中,一般采用() 排行星齿轮机构传动,其各档传动比根据行星齿轮机构传动特点进行合理组合而得。
A.
2 ~ 3
B.
1
C.
5
D.
10
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参考答案:
举一反三
【多选题】Which of the following descriptions about tertiary structure of protein are correct
A.
All polypeptide chains with tertiary structure have biological activities.
B.
Most hydrophilic groups ( 亲水基团 ) are located on the surface of tertiary structure.
C.
The stability of tertiary structure is maintained by covalent bonds.
D.
T ertiary structure is t hree-dimensional arrangement of all atoms in a polypeptide chain.
E.
Formation of tertiary structure i s the result of interaction between side chain groups of a polypeptide chain.
【单选题】1-2 In the following description of the tertiary structure of protein, which one is right? ( )
A.
The tertiary structure contains α-helix
B.
The hydrophobic groups are on the surface of the proteins
C.
The stabilizing forces in the tertiary structure contains hydrogen bond
D.
The stabilizing forces in the tertiary structure contains peptide bond
E.
Motif is the tertiary structure
【判断题】超声波频率越高,近场区的长度也就越大。
A.
正确
B.
错误
【判断题】组织职能、领导职能和控制职能是围绕着计划职能而展开的,以保证达到计划规定的目标。
A.
正确
B.
错误
【简答题】政府的转移支付是国民生产总值构成中的一部分。(    )
【多选题】Which of the following descriptions about tertiary structure of protein are correct
A.
All polypeptide chains with tertiary structure have biological activities.
B.
Most hydrophilic groups are located on the surface of tertiary structure.
C.
The stability of tertiary structure is maintained by covalent bonds.
D.
T ertiary structure is t hree-dimensional arrangement of all atoms in a polypeptide chain.
E.
Formation of tertiary structure i s the result of interaction between side chain groups of a polypeptide chain.
【多选题】The institutions of the tertiary education are().
A.
high schools
B.
vocational schools
C.
four-year college
D.
graduate school
【简答题】Among the places that produced amber in Tertiary times, Poinar is most interested in_________.
【单选题】在进口到单业务交易处理中,以下对“信用证到单付款“操作描述不正确的是()
A.
当需要对外付款时,应进入进口信用证收到单付款业务口进行付款操作
B.
付款只能采取逐笔支付的方式付清代收款
C.
客户可通过关联的保证金账户付款,付款后系统自动恢复客户的相应金额的授信额度
D.
付款交易成功后,系统自动在申报模块里生成一笔对外付款/承兑记录
【判断题】折旧费用是国民生产总值的一部分。
A.
正确
B.
错误
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