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多项选择题

扣传球练习应重点体会那些    。
A、佯跳后再发力起跳
B、击球点
C、传球
D、以上都对

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单项选择题
Maria Mitchell（1818-1889）,the first woman astronomer（天文学家）in the United was born in Nantucket, Massachusetts. Her parents valued education and insisted on giving same quality of education that boys received.
Her father, William Mitchell, was an astronomer and teacher himself. When he built his own school, Maria became a student and also a teaching assistant to him. At home, Maria's father taught her to watch the stars and other 'natural objects in space using his personal telescope（望远镜）．
Later she went to work at the library of the Nantucket Atheneum. Over the next twenty years, she further developed her interest in reading as many books as she could. She spent her nights watching the sky closely with her father.
On October 1,1847, Maria discovered a comet（彗星）by merely using a two-inch telescope. Some years before, King Frederick VI of Denmark had set up prizes to each discoverer of a "telescopic comet ". The prize was to be given to the "first discoverer" of each such comet because comets were often discovered by more than one person.
There was once a question of who should be the winner. As the story goes, Francesco de Vico had discovered the same comet two days later, but had reported it to the European official organization first. However, after some discussion this was settled in Mitchell's favor. She won the prize in 1848 and became a big name the world over. The comet was named "Miss Mitchell's Comet".
What can be learnt about Maria's parents according to the text? （　　）
A.Theycamefromlow-incomefamilies
B.TheygaveMariaequalchanceforeducation
C.Theywerebothastronomers
D.Theywerebothteachers
不定项选择
理想是时代的产物，受时代条件制约，随着时代的发展而发展。
A．正确
B．错误
单项选择题
在公司、股东以及公司员工的利益与基金份额持有人的利益发生冲突时，应当优先保障（　　）的利益。
A.基金管理人
B.基金托管人
C.基金份额持有人
D.基金监管机构
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