题目

方程 x3 5 的解是（ ）A.x=2 B.x=3 C.x=8 D.x=5 答案：【答案】C【解析】直接移项，即可得到答案.解：∵，∴；故选：C．----_____he dropped out of school?    ----His family has run into financial difficulties. A. Why was it that   B. Why was that   C. Why was that it    D. Why was it