请教一道GMAT语法题,实在是看不懂~For the farmer who takes care to keep them cool,*providing them with high-energy feed,and milking them regularly,Holstein cows are producing* an average of 2,275 gallons of milk each per year.A.providing t

请教一道GMAT语法题 请教一道GMAT语法题,实在是看不懂~For the farmer who takes care to keep them cool,*providing them with high-energy feed,and milking them regularly,Holstein cows are producing* an average of 2,275 gallons of milk each per year.A.providing t 第五题,实在是看不懂 GMAT的一道题, 2011GMAT语法全解：GMAT语法题如何复习 GMAT语法题如何复习 高等数学一道极限的证明题,答案实在看不懂 实在是看不懂 实在是看不懂 英语语法请教does the man get his umbrella backdoes the man get his umbrella back 翻译后是：这位男士有没有拿回他的雨伞但是实在是看不懂在里面的语法,更看不出是疑问句. 请教一道GMAT语法题~The spraying of pesticides can be carefully planned,but accidents,*weather conditions that could not be foreseen,and pilot errors often cause much larger deposits of spray than they had* anticipated.A.weather conditions that 【连笔字】去医院看病 医生写的病历表实在是看不懂 请教大神们帮助~~! 请教一道二重积分的证明题,但是看不懂, 请教线性代数一道题,看不懂答案,求详解 实在看不懂这题 实在是看不懂内涵图 本人实在是看不懂啊. 20、21题求解.实在是数学太差看不懂