2015 National Question 11 Single-choice Differentiating 2015_新课标II Paper 11.(4分)减少该河凌汛危害的可行措施是( )①加深河道 ②绿化河堤 ③分段拦冰 ④拓宽河道 A. ①②B. ②③C. ③④D. ①④ Answer keyC ☆ SaveCan't do it, show the explanation查看原卷 →