Country life gives him peace and quietness , which is ______ he doesn't enjoy living in big cit

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• The terrible earthquake took place early this month ______ three southern countries meet.[ ]A. where
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• —Hi, Peter. You seem to have gained a lot of weight.— Well, good food, not enough exercise. That
• 下列繁殖方式中，全属于有性生殖的一组是（）A．水稻的种子繁殖和红薯的块根或薯藤（茎）的繁殖B．袁隆平利用野生稻杂交培育出杂交水稻和小麦C．大白菜的菜籽播种和优良苹果树的嫁接-生物
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• 以下是两种不同的植物生殖方式，请根据图回答．（1）图A属于______生殖，图B属于______生殖．（2）若图A中的植物体的基因组成是Ee，则该植物体产生的后代的基因有______种可能，分-生物
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• 下列诗句中的描述与生殖现象无关的是（）A．春种一粒粟，秋收万颗子B．离离原上草，一岁一枯荣C．红豆生南国，春来发几枝D．忽如一夜春风来，千树万树梨花开-生物
• Measures have been taken to solve the problem，but it may be some time________the situation improves.
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