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【单选题】
关于有机物主要特点的下列说法中不正确的有A.
大多数有机物难溶于水，易溶于汽油、酒精、苯等有机溶剂
B.
有机物的熔点低、受热易分解，且燃烧
C.
绝大多数有机物是非电解质，不易导电
D.
有机物的化学反应比较复杂一般较慢且有副反应
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举一反三
【单选题】Which of the following is closest in meaning to 'They were cold and wet through, but none the worse for their experience.'
A.
For such an experience, being cold and wet through was not bad for them at all.
B.
They were cold and wet through, which was the worst thing of all.
C.
They were even worse than cold and wet through at the bottom of the sea.
D.
Considering what they had just experienced, being cold and wet through was not bad for them at all.
【简答题】如果8a=12b；那么a：b=______：______；a：12=______：______．
【单选题】是在教学活动完成之后，对教学成果进行的总评价，是对已经完成的教学加以价值判断，目的是为做出各种决定或决策提供资料或依据。
A.
定性评价
B.
诊断性评价
C.
终结性评价
D.
定量评价
【单选题】Someone ____ my umbrella! It is all wet. And it was wet yesterday and the day before yesterday. [ ]
A.
has used
B.
has been using
C.
used
D.
is using
【多选题】2017年,国务院总理李克强作政府工作报告时指出“促进专业社会工作志愿服务发展”。这是“专业社会工作”连续二年被写入政府工作报告。关于社会工作特点的说法,正确的有:
A.
社会工作应以维护社会稳定为目标
B.
社会工作遵循尊重平等的服务理念
C.
社会工作需要团队合作来解决问题
D.
社会工作是重点服务困难群体的职业活动
E.
社会工作需要在科学理论指导下采取行动
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