有理数a等于它的倒数, 有理数b等于它的相反数, 则a2007+b2007等于[ ]
A.1
B.-1
C.±1
D.2
答案：C
—Boys and girls, be careful. If you _____ the traffic rules, you may get a fine.
—Thank you, we won't. [ ]
A. follow
B. make
C. break
