题目

I’m sure Xiaoxiao can ______ a lot of money doing this job and he can ______ a living with the money he earned himself. A. have；make      B. make；make   C. make；get   D. get；make 答案：B 解析: 略如图，矩形ABCD中，O是两对角线交点，AE⊥BD于点E．若OE：OD=1：2，AE=3cm，则DE= cm．