贵州省全国100所名校最新高考模拟示范卷英语八 答案

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短文改错I have a warm story to share with you.The school inASan Francisco not only accepted a deaf student,but alsoteach the entire class the sign language to allow them totaughtbetter communicate with him.It was in September last year when a woman asked thethatprimary school to accept her six-year-old son,James,who,unfortunate had a hearing disability.The teach-unfortunatelyer,Lily,was agreed almost immediately.However,onthe first day of school,she noticed Jamessitall bysittinghimself,unable to communicate withany of hisclassmates.To find a solution,she came up Aa bril-withliant idea-getting the whole class to learn the sign language along with James,but they got a sign languageand/soteacher on board.A couple of months late,James was a-laterble to communicate with all his classmates abouthomeworks and games.homework书面表达

28.(1)样方法(1分)平均值(1分)(2)先减少后增多(2分)N1(1分)利用化学物质诱杀蝗虫的雄性个体,改变蝗虫种群的性别比例,从而降低蝗虫种群的出生率(合理即可给分,2分)(3)产卵数量少,出生率下降(2分)非生物(或非密度制约)(1分)