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【单选题】
下列叙述，说法合理的是A.
任何物质燃烧都必须有氧气参加
B.
氢气在氯气中燃烧发出淡蓝色火焰，并在空气中产生大量白雾
C.
饱和氯水在光照下有气泡产生，该气体为氯气
D.
长久放置的氯水将失去漂白性
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皮皮学刷刷变学霸
举一反三
【单选题】Suppose that scientists find evidence that proves chocolate pudding lowers cholesterol. We would expect to see
A.
no change in the demand for chocolate pudding.
B.
a decrease in the demand for chocolate pudding.
C.
an increase in the demand for chocolate pudding.
D.
a decrease in the supply of chocolate pudding.
【简答题】evidence that proves that a person was in another place at the time of a crime and so could not have committed it (ali: another, otherwise)
【单选题】Some solid evidence proves that water really exists on Mars, but unfortunately, there is still no of life.
A.
mark
B.
sign
C.
symbol
D.
signal
【简答题】vt. to provide evidence that proves sth.
【单选题】针对当前形形色色的管理现象,某人深有感触地说:“有的人有磨盘大的权力拣不起一粒芝麻,而有的人只有芝麻大的权力却能推动磨盘。”这句话反映的情况表明( )。
A.
个人权力所产生的影响力有时会大于职务权力所产生的影响力
B.
个人权力所产生的影响力并不比职务权力所产生的影响力小
C.
非正式组织越来越盛行，并且正在发挥越来越大的作用
D.
这里所描述的只是一种偶然的现象，并不具有任何实际意义
【简答题】___________. additional proof that something that was believed (some fact or hypothesis or theory) is correct, the establishment of the truth or correctness of something by investigation or evidence, ...
【单选题】Scientific evidence proves that physical exercise always has positive influence on memory formation.
A.
T
B.
F
C.
NG
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