去年我省玉米受旱大量减产，导致养鸡成本上涨（养鸡的饲料70％是玉米和豆粕）。假设其他条件不变，下列图示（S0为变动前，S1为变动后）能正确反映养鸡成本上涨对鸡蛋供给变动影响的是
(2014届陕西省西工大附中高三第五次适应性训练英语试卷） It was hard for him to learn English in a family, in which_____ of the parents spoke the language.
（2011北京卷,34﹚The employment rate has continued to rise in big cities thanks to the efforts of the local governments to increase .
The two girls are so alike that strangers find_____ difficult to tell one from the other.
（2011重庆卷,27﹚——Silly me! I forget what my luggage looks like. ——What do you think of over there?
（2011天津卷,1﹚We feel our duty to make our country a better place.
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