Most people prefer to travel on ______train, because you can have a comfortable journey, but make sure you get ______fast one．
| A．the ; the | B．a ; the | C．the ; a | D．不填；a |
The changes in computer willin the near future.
| A．come about | B．come out | C．come along | D．come up |
She is in a poorof health, which worries her parents much.
| A．position | B．situation | C．condition | D．state |
Struck by the terrible earthquake, Wenchuan was from the outside.
| A．cut up | B．cut down | C．cut off | D．cut in |
Paper produced every year isthe world’s production of vehicles
A three times weight of B three times the weight of
C as three times as heavy D three times so heavy as
No one knows how largeuniverse is， butman has never given up the attempt to explore new stars and new planets.
A. the；/ B/; the C/：/ D the； the