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【单选题】
关于科学知识的学习,正确的是( )。A.
引导幼儿对身边常见事物和现象的特点、变化规律产生兴趣和探究的欲望
B.
通过原理的讲解，让幼儿明了
C.
学习身边的事物，太费时费力
D.
重点是掌握原理和知识，兴趣是次要的
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举一反三
【单选题】When ________ that it was getting late, I turned off the light and went to bed.
A.
find
B.
founnd
C.
being found
D.
finding
【简答题】Once in bed,I read for twenty minutes and then _______ the light. A．turned out B．turned over C．turned on D．turned up
【单选题】Once in bed, I read for twenty minutes and then ______ the light. [ ]
A.
turned out
B.
turned over
C.
turned on
D.
turned up
【单选题】The old gentle man ______ to be an old friend of his grandfather's.
A.
turned in
B.
turned over
C.
turned up
D.
turned out
【简答题】河流中的泥沙按运动与否和运动形式可以分为()、()和床沙。
【单选题】I’d almost given up hope of finding a car I liked, and then suddenly this one_________ .
A.
turned over
B.
turned down
C.
turned on
D.
turned up
【多选题】关于滑坡类型，说法正确的有()
A.
按运动速度可分为崩塌性滑坡、蠕动性滑坡、高速滑坡
B.
按运动形式可分为牵引式滑坡和推(移)动式滑坡
C.
按形成的时间可分为新生滑坡和古滑坡两类
D.
按主滑面成因类型分为堆积面滑坡、层面滑坡、构造面滑坡
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