A. affect the existence of other species B. do good to other species C. reproduce the species in the future D. clone the species right now 参考答案:C 答案解析:[解析] 事实细节题。根据第二段第二句“If certain species should become extinct,... to reintroduce the species in the f
第10题: [单项选择]The kangaroo rat is different from other animals in that ______. A. it can produce water through breathing B. it can store water in parts of its body C. it can maintain different body temperatures D. it can drink a 10t of water at a time 参考答案:A 答案解析:根据题干关键词kangaroo rat定位到第一段第四句The kangaroo rat,on the other hand,gets all the water it needs from wate
第27题:[多选题]酸碱滴定时所用的标准溶液的浓度,以下描述错误的有( )。[1.0分] A. 愈大突跃愈大,愈适合进行滴定分析 B. 愈小标准溶液消耗愈少,愈适合进行滴定分析 C. 标准溶液的浓度一般在1 mol/L以上 D. 标准溶液的浓度一般在0.01~1 mol/L之间 E. 愈大标准溶液消耗愈多,愈适合进行滴定分析 参考答案:ABCE