难以鉴别的肾癌和肾囊肿，最可靠的检查方法是（）。A．静脉尿路造影 B．逆行肾盂造影

I go to school by school bus every day, because my home is far from the school. It takes more than 30 minutes to get to school. The school bus is very beautiful, wide and strong. We go home at 4:30 in the afternoon. David Smith, 14, America

We often go to school at 7:00, because I have a far journey to go to school. I like riding a bike and I think it’s good for my health. Riding is one of the greenest ways. I get home at 5:00 in the afternoon. Wang Runze, 15, Beijing

I went to school by bus half a year ago, but now I walk to school with my parents or my classmate—Liu Bin now. It’s because the school bus accident. In the accidents, lots of students died. I have to go to school one hour earlier than before. I spend one and a half hours getting to school. I got home at about 6:30 every day. Wu Daqiang, 10, Jiangsu

小题1:How old is David Smith?

A．14.

B．15.

C．10.

D．16.

小题2:How does Wang Runze go to school?

A．By bike.

B．On foot.

C．By train.

D．By car.

小题3:Why can’t Wu Daqiang go to school by school bus?

A．Because it’s slow to go by bus.

B．Because there are the school bus accidents.

C．Because they like sports.

D．Because their school hasn’t got buses.

小题4:David Smith’s school bus isn’t _________.

A．safe	B．beautiful
C．strong	D．dangerous

小题5:________ gets home earliest in the afternoon.

A．David Smith	B．Wang Runze
C．Wu Daqiang	D．Liu Bin