已知x、y互为相反数,且(x+y+3)(x-y-2)=6,则x=( )。
2
We _________ not to play computer games. [ ]
A. are told
B. have told
C. told
D. was told
春甘蓝类型主要有()。
A.尖头
B.平头
C.圆头
D.方头
E.椭圆