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【单选题】
关于滴定管的操作描述错误的是( )
A.
装液前,滴定管应先润洗三次,第一次从上口放出,二、三、次从下口放出
B.
读数应使管垂直,保持人的视线水平
C.
每次滴定从零开始,以消除系统误差
D.
滴定时应时刻关注滴定管中液面下降
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参考答案:
举一反三
【单选题】There is no evidence that people can control their dreams.
A.
solid
B.
smooth
C.
harsh
D.
strict
【单选题】There is no evidence that people can control their dreams.
A.
harsh
B.
smooth
C.
solid
D.
strict
【单选题】Some scientists believe that there is no evidence that cholestrol in food is directly linked to ______.
A.
blood disease
B.
heart disease
C.
infectious disease
D.
mental disorder
【单选题】There is no evidence ( )the contrary.
A.
of
B.
to
C.
on
D.
in
【单选题】There is no evidence there is life on any other planet in the solar system.
A.
which
B.
that
C.
how
D.
where
【判断题】精神病人犯罪,经法定程序鉴定确定无辨认和控制能力的,不负刑事责任,但是应当由政府强制医疗。
A.
正确
B.
错误
【单选题】在动物的进化历程中,三胚层的动物最早出现于( )
A.
软体动物
B.
扁形动物
C.
腔肠动物
D.
环节动物
【判断题】精神病人犯罪,经法定程序鉴定确定无辨认和控制能力的,不负刑事责任,但是应当由政府强制医疗。
A.
正确
B.
错误
【多选题】中国传统的道德人格修养方法主要有
A.
省察克治
B.
慎独自律
C.
和善成德
D.
知行统一
【单选题】Based on the information from the authority, there is no evidence to suggest that nuclear events in Fukushima, Japan ______any health impact on us. [      ]
A.
will have
B.
should have
C.
had
D.
would have
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