皮皮学,免费搜题
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【单选题】
以下何种技术不是酶标免疫技术
A.
ELISA
B.
EMIT
C.
PAP
D.
斑点ELISA
E.
免疫金层析技术
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举一反三
【判断题】一直线的正坐标方位角αAB和反方位角αBA相差180°。
A.
正确
B.
错误
【单选题】Which of the following is NOT true?
A.
Thomas Jefferson enriched the collection of the Library.
B.
The Library of Congress is in Washington D. C.
C.
The Library of Congress has books on all subjects from the very beginning.
D.
You can ask the experts in the Library of Congress all kinds of questions by phone.
【判断题】换向阀除了可以控制执行元件的运动方向外,还可以控制执行元件的起动和停车。
A.
正确
B.
错误
【判断题】Libra people are good at dealing with the confrontation.
A.
正确
B.
错误
【简答题】Libra: Although you generally likable. You can be changeable, _____and critical.
【判断题】Simon partly agrees with the description of Libra.
A.
正确
B.
错误
【简答题】This second volume in the series of Classics of American Librarianship is devoted to library work with children. As stated in the preface to the first volume, on 'Library and School', the papers chose...
【单选题】关于肛瘘的叙述中,不正确的是
A.
肛羧属自限性疾病,可以自愈
B.
肛痿主要侵犯肛管,很少累及直肠
C.
内口位于齿状线附近,外口位于肛周皮肤上
D.
肛管括约肌间型是最常见的一种肛瘘
E.
高位肛痿是指痿管在外括约肌深部以上
【简答题】What's the differience between”cuba libra” and “rum and coke”?
【单选题】Libra区块链采用的共识协议是什么?
A.
PoS
B.
DPoS
C.
PoW
D.
BFT
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