The results are even more serious, for where there are trees their roots_____ the soil up allowing the rain to sink in and also bind the soil, thus preventing it being washed away easily. A break B keep C put D turn帮我看看该选哪个,为什么?
热心网友
江山的回答是对的.break up可以表示：击碎．所以在此的意思是让土壤松动．
热心网友
应该是A，C选项比较牵强附会!
热心网友
A.
热心网友
D. turn up 有"翻掘"的意思. ...根把土壤翻掘起来,让雨水浸入,并固定住土壤...
热心网友
此题选C.是指根把土壤带起的意思.
热心网友
选择A break 结果甚至更严重,因为在有树木地方,它们的根把土壤顶起,让雨水浸入,同时也固住了土壤，避免土壤轻易就被冲走。