题目

有理数a、b在数轴上的位置如图所示,则下列各式错误的是() A . b<0<a B . |b|>|a| C . ab<0 D . a+b>0 答案:D-__________ people are there in your family?-There are five. [     ]A. WhatB. HowC. How manyD. How much
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