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【判断题】
磷酸盐缓冲液也是微生物检测常用的样品稀释液。A.
正确
B.
错误
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举一反三
【单选题】The new trend in artificial intelligence research stems from______.
A.
the shift of the focus of study on to the recognition of the shapes of objects
B.
the belief that human intelligence cannot be duplicated with logical, step-by-step programs
C.
the aspirations of scientists to duplicate the intelligence of a ten-month-old child
D.
the efforts made by scientist in the study of the similarities between transistors and brain cells
【简答题】网络信息服务商提供的大部分信息属于()。 [A]免费商务信息 [B]优质优价的信息 [C]收取标准费用的信息 [D]收取较低费用的信息
【简答题】下列食物中蛋白质含量最高的是
【单选题】Which of the following made the Americans neglect the current immigration flood?
A.
The focus on the social and cultural costs and benefits of immigration.
B.
The distinction they made between immigrants.
C.
The lack of recognition of the immigrants' economic influence.
D.
The lack of recognition of the immigrants' differences.
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