8dm=____cm．

该图示意某国乡村人口和城市化水平的变化，读图回答22~23题。

【小题1】1990年该国城市人口大约是  （     ）

A．2亿

B．2.9亿

C．3.8亿

D．4.7亿

【小题2】有关该国人口和城市化的叙述，正确的是 （     ）

What a big map _____ Australia!

Cinemark Theatre                       Cinemark Theatre
So Young                             America Dreams in China
May 29～June 2:                        June 6～17(not June 10, 11, 12, 15)
Evenings at 7.15 p.m. (May 29 at 7 p.m.)       June 6, 7, 8, 9, 16 at 7.45 p.m.
Tickets                                 June 17 at 5 p.m.
Weekdays: $27                          June 13, 14 at 8.00 p.m.
Sunday: $29                            Tickets
Weekdays: $24
Sat. & Sun. : $26
Cinemark discount(打折) card: 20% off 3 tickets

兔妈妈有10根胡萝卜，分给6只小兔子每人1根，够了。