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短文改错My village lie in the mountains in southwest China.Although the climate and landscapelieswerepleasedpeople led a tough life there.At the beginning of the 21st century,pleasant/pleasingthe government began to attach great importance to its development,under the influence ofthat people's livingcondition began to improve.A lot of roads were built and plenty ofwhichconditionstrade centers were newly found which made them convenient to develop economy.What'sfoundeditmore,A great many students were admitted into famous universities.In a word,thankk toathanksthe government's support,great changes have been taken place in the past few years.Myvillage takes up a new look now.on

【答案】B【解析】在梨组织样液中加入斐林试剂，振荡后水浴加热才能看到砖红色沉淀；用于鉴定还原糖的斐林试剂甲液和乙液应等量混匀后再使用，利用的是二者反应生成的氢氧化铜；对试管中的溶液进行水浴加热时，试管底部不能紧贴烧杯底部，防止受热不均；在花生子叶切片上滴加苏丹Ⅲ染液，需用体积分数为50%的酒精洗去浮色后在显微镜下观察。