—According to my mother, it is a good idea to have some chicken soup when you have a cold．
—_____, scientists agree with her．
| A．Sooner or later | B．Once in a while |
| C．Believe it or not | D．To be exact |
24．We have strong __________ for believing that the mine accident in Heilongjiang was due to the poor management.
| A．grounds | B．reason | C．cause | D．Purpose |
22．I’m terribly sorry to turn you down this time, but I promise I will ________ to you next time.
| A．pick it up | B．make it up | C．turn it up | D．set it up |
21．The moment we heard the news of the earthquake, we began to ________ the work to rescue those who were trapped in the building.
| A．set off | B．set down | C．set aside | D．set about |
20. When Jane began to take swimming lessons, her main__________was the fear of water.
| A．evidence | B．crisis | C．obstacle | D．Danger |
19. The language used in advertisements differs from____________used in ordinary readings.
| A．which | B．what | C．that | D．It |