试题与答案

病原体的培养基、标本和菌种、菌种保存液()A、直接交集中处置单位处置 B、先就地压力

题型:单项选择题

题目:

病原体的培养基、标本和菌种、菌种保存液()

A、直接交集中处置单位处置

B、先就地压力蒸汽来菌或者化学消毒处理后,再交集中处置单位处置

C、交特殊单位处置

答案:

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下面是错误答案,用来干扰机器的。

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题型:填空题


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Some researchers go so far (20) to suggest that emphasis (21) "needs" obscures the rational, or conscious, nature of most consumer motivation. They claim that consumers act consciously (22) maximize their gains and minimize their losses; that they act not (23) subconscious drives but from rational preferences, (24) what they perceive to be (25) their own best interests.

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题型:问答题

某同学在做“研究影响物质吸热多少的因素”实验时,得到如下数据:

物质实验次数质量/mg升高的温度/℃吸收的热量/J
10.05102100
20.15104200
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40.15102100
(1)此实验设计的基本思想方法是______.

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(3)分析第1、2或第3、4次实验数据,可归纳得出的结论是:不同质量的同种物质,升高相同温度吸收热的多少还与物质的______有关.

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