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【单选题】
氮肥、磷肥、钾肥是农业生产中最主要的化肥，用最简便的方法区别这三类化肥在农业生产中具有实用性．下列区别化肥的方法正确的是（　　） ①NH 4 HCO 3 与KCl闻气味 ②K 2 SO 4 和Ca 3 （PO 4 ） 2 看颜色 ③CO（NH 2 ） 2 和KCl加熟石灰研磨后闻气味 ④NH 4 Cl和K 2 SO 4 加水看溶解性．
A.
①②③
B.
①④
C.
②③
D.
①②
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【单选题】Women’s earnings are well below men’s, ______ educational difference that are decreasing between the two sexes.
A.
in favor of
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in case of
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【单选题】The author's opinion on the educational exchange on both sides of the Taiwan Strait is ______ .
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that politics is still in the way of its development
B.
officials on both sides have taken initiatives in pushing its development
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【简答题】Parents are important elements in the children’s educational progress. They are capable of being good resources not just for children, but also for schools and teachers. Parents can help children real...
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【单选题】According to the passage, the author's attitude toward educational theorists is ______.
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【单选题】The author's opinion on the educational exchange on both sides of Taiwan Strait is ______.
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【单选题】Women’s earnings are well below men’s, ______ educational difference that are decreasing between the two sexes.
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in favor of
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【单选题】If ______ and lodging are included in educational fees, a university student in the U.S. will need approximately $10,000 a year.
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B.
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【单选题】The author's opinion on the educational exchange on both sides of the Taiwan Strait is ______ .
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B.
officials on both sides have taken initiatives in pushing its development
C.
the exchange program suffered great setbacks owing to the increasing tension across the Taiwan Strait
D.
the refusal of recognition of the academic degrees is the most formidable obstacle
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【简答题】Parents are important elements in the children’s educational progress. They are capable of being good resources not just for children, but also for schools and teachers. Parents can help children real...
查看完整题目与答案