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【单选题】
有关白细胞分化抗原的描述正确的是
A.
仅表达于造血干细胞表面
B.
仅表达核细胞表面
C.
在红细胞、血小板、上皮细胞上有表达
D.
仅表达于所有白细胞表面
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参考答案:
举一反三
【多选题】Which of the following statements is NOT true for arbitration.
A.
An arbitration procedure can be customized to meet both parties’ needs.
B.
An arbitration award is final.
C.
Any dispute can be solved first by friendly negotiation, then arbitration, and finally litigation.
D.
Dispute can be solved through arbitration only when the seller and the buyer have included a term or condition in the contract to this effect.
E.
Compared with l itigation, arbitration is a more effective way to solve disputes in international trade.
【判断题】An arbitration award is final and binding in every country.
A.
正确
B.
错误
【单选题】Award on a trade dispute issued by an arbitration institute is ( ).
A.
binding
B.
non-binding if the losing party does not agree with the award
C.
non-binding
D.
binding only after the case is reviewed by the court of law
【简答题】求值:cos 2 α+cos 2 (α+120°)+cos 2 (α+240°)的值为 ______.
【单选题】代数式sin120°cos210°的值为 ( )
A.
-3/4
B.
√3/4
C.
-3/2
D.
1/4
【单选题】比较sin150°,tan240°,cos(-120°)三个三角函数值的大小,正确的是(  )
A.
sin150°>tan240°>cos(-120°)
B.
tan240°>sin150°>cos(-120°)
C.
sin150°>cos(-120°)>tan240°
D.
tan240°>cos(-120°)>sin150°
【多选题】组成域名的字符包括( )。
A.
26个英文字母。
B.
“0,1,2,3,4,5,6,7,8,9”十个数字。
C.
“-”(英文中的连词号)。
D.
“@”(英文中的AT号)。
【多选题】在用户调查中,以下方法属于定量研究的是?
A.
可用性测试
B.
焦点小组
C.
A/B测试
D.
问卷调查
【单选题】单作用叶片泵运转时定子和转子的工作状态?
A.
定子、转子均旋转
B.
定子不动,转子旋转
C.
定子旋转,转子不动
D.
定子转子均不动,转轴旋转
【单选题】Award on a trade dispute issued by an arbitration institute is ( ).
A.
non-binding if the losing party does not agree with the award
B.
non-binding
C.
binding only after the case is reviewed by the court of law
D.
binding
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