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【单选题】
酶免疫分析技术中常用的酶是( )。A.
辣根过氧化物酶和葡萄糖氧化酶
B.
葡萄糖氧化酶和碱性磷酸酶
C.
辣根过氧化物酶和碱性磷酸酶
D.
脲酶和碱性磷酸酶
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皮皮学刷刷变学霸
举一反三
【单选题】Which of the following is a rhetorical contradiction?
A.
For better or for worse.
B.
Fair is foul, and foul is fair.
C.
Of all nature's gifts to the human race, what is the sweeter to a man than his children?
D.
Advice is judged by results, not by intention.
【判断题】During the mid-2000s, the average price of a used car fell by nearly $500 and the quantity sold nation-wide decreased by several thousand each year. This set of results is a contradiction of the law o...
A.
正确
B.
错误
【单选题】The contradiction of changes in sea ice coverage at both poles has been made clear by______.
A.
data collected from satellites
B.
twenty-year's measurements
C.
computer models
D.
the British Antarctic Survey
【简答题】The seeming self-contradiction that the Internet can lead to globalization on the one hand and cause the alienation of the users from the people around them on the other is reinforced by the use of pa...
【单选题】NC technique can eliminate the contradiction between the universality and automaticity of machine tool,which is caused by( )
A.
using numerical controller
B.
using servo-driving motor
C.
using displacement transducer
D.
using soft program-carried medium to be changed easily
【多选题】关于非正式法源，下列哪些选项是正确的？
A.
它具有一定的说服力
B.
它可以弥补正式法源的漏洞
C.
它没有正式的法律效力，司法机关不能以它作为裁判案件的理由
D.
它具有法律意义
【单选题】The Great Depression in the United States was caused by the contradiction between insufficient demand and excess capacity, so the American government wanted to ( ).
A.
set up trade barriers
B.
reduce international trade
C.
reduce productivity
D.
open up the international market
【单选题】一名队员在本方罚球区内罚任意球时,对方队员何时可以进入罚球区?
A.
任何时间。
B.
在球被踢并且移动后即可。
C.
对方队员不能进入罚球区直到球被另一名队员触及。
D.
对方队员不能进入罚球区直到该球离开罚球区范围。
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