题目

若有理数a、b在数轴上的位置如图所示,则下列各式中成立的是() A . a<-b B . b-a>0 C . |a|<|b| D . a+b>0 答案:DEach of the students, working hard at his other lessons, ___ to go to university. ---  So do I.    A. hopes         B. hope         C. hoping         D. hoped
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