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【单选题】
某建筑物设计室内地坪标高士0.000,室外地坪标高-0.450m,基槽挖土方800m 3 ,基础工程量 560m 3 ,其中标高-0.450m至 士 O.000的基础工程量为lOm 3 。根据《房屋建筑与装饰工程工程量计算规范》GB50854规定,该基础工程的土方回填量为( )m 3 。A.
200
B.
230
C.
240
D.
250
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【单选题】Since 1980s, home schooling ______.
A.
has grown quickly with society accepting its educational philosophy
B.
has decreased greatly with many children losing interest in studying at home
C.
has faced the serious situation of losing social support
D.
has adopted online teaching as its only approach
【简答题】幼儿教育心理学的研究范畴仅是教幼儿如何学习。（ ）
【简答题】有人认为,教育幼儿是一件极其简单的事,不需要学习《幼儿教育学》。这种看法对吗?
【简答题】幼教工作者为什么要学习幼儿教育心理学?
【单选题】Since the early 1980s, scientists have revealed some 40 human genes involved in cancer. These genes are essential for normal growth, but can be subverted to cause a tumor. Dr. Jorge Yunis of the Unive...
A.
harmful to the human body
B.
necessary to the human body
C.
the elements that form. cancer
D.
useless to the human body
【简答题】幼儿教育工作者为什么要学习幼儿教育心理学?
【单选题】Stock prices since the 1980s have been
A.
relatively stable, trending downward at a moderate rate.
B.
unstable, trending downward at a moderate rate.
C.
relatively stable, trending upward at a steady pace.
D.
extremely volatile.
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