—Because of the _____ petrol (汽油) price, fewer and fewer people will choose to own a car, I think.

—I have the same idea as you. [ ]

A. increased

B. increasing

C. improved

D. improving

1990年联合国把每年的7月11日定为[ ]

A．世界环境日

B．世界人口日

C．植树节

D．50亿人口日