皮皮学,免费搜题
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【单选题】
为了保护水资源,提倡洗衣物时使用无磷洗衣粉,原因是大量含磷污水进致使( )。
A.
大量鱼类中毒死亡
B.
水体富营养化,缺氧导致水生物大量死亡,水体变臭
C.
磷化物和某些有机物产生化学反应,使水体变臭,生物死亡
D.
磷化物抑制藻类生长,使鱼类缺乏饵料死亡
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【简答题】On Christmas Eve a few days ago, an English couple, the Hardens, got a very special call. It was only a 20-second call but it was very ____11____. The Hardens’ 15-year-old daughter has gone ___12____ ...
【多选题】以下哪些是衡量油脂新鲜度的指标?( )
A.
皂化价
B.
酸价
C.
过氧化值
D.
丙二醛值
【多选题】以下哪些是衡量油脂新鲜度的指标?( )
A.
碘价
B.
过氧化值
C.
酸价
D.
丙二醛值
【简答题】完形填空。 Mr and Mrs Moore were invited to a Christmas party at a hotel one year. They 1 their car outside and went in. Mr Moore had never got drunk (醉) before, so he was 2 not to drink too much, 3 his fr...
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A.
正确
B.
错误
【单选题】集中体现柏拉图教育思想的著作是 ( )
A.
.《爱弥尔》
B.
.《理想国》
C.
.《教育漫话》
D.
.《教育学讲授纲要》
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A.
《大教学论》
B.
《沦演说家的培养》
C.
《理想国》
D.
《教育漫话》
【简答题】完形填空 Mr and Mrs Moore were invited to a Christmas party at a hotel one year. They _ 1 _ their car outside and went in. Mr Moore had never got drunk before, so he was 2 not to drink too much, though hi...
【简答题】完形填空。 Mr and Mrs Moore were invited to a Christmas party at a hotel one year. They 1 their car outside and went in. Mr Moore had never got drunk (醉) before, so he was 2 not to drink too much, 3 his fr...
【单选题】集中体现柏拉图教育思想的著作是()
A.
《大教学论》
B.
《论演说家的培养》
C.
《理想国》
D.
《教育漫话》
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