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【单选题】
符合比耳定律的有色溶液稀释时,其最大吸收峰的波长位置( )A.
向长波方向移动
B.
向短波方向移动
C.
不移动，但高峰值降低
D.
不移动，但高峰值增大
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【简答题】安神药的使用注意有哪些?
【单选题】请同学们在阅读文章第一段落后,选出能够概括该段落大意的选项: 第三段段落大意:
A.
corn will be processed into various kinds of food, and can be stored for a long time.
B.
Corn and potato have high nutrition, both are good for human health.
C.
Corn and potato were found before new America and first harvested by Chinese.
D.
Corn and potato are from new world and first harvested by native Indians.
E.
potato is a main food for western countries, it also can be prepared in many kinds of dishes.
【简答题】请同学们在阅读文章第一段落后,选出能够概括该段落大意的选项: 第一段段落大意:A. corn will be processed into various kinds of food, and can be stored for a long time. B. Corn and potato have high nutrition, both are good for human health. ...
【简答题】请仔细阅读本文,理解文章构成,划分段落并概括段落大意
【简答题】阅读本单元本文,理解文章,分段落并概括段落大意。
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