∵a+5+（b-2）2=0，
∴a=-5，b=2，
则a+b=-5+2=-3．
They're not very good, but we like ______. [ ]
A. anyway to play baskeball with them
B. to play basketball with them anyway
C. to play with them basketball anyway
D. with them to play basketball anyway
对大型养路设备进行检修时，必须注意哪些方面？
