The traffic slowed down because of the heavy snow in Yushu county, presenting a new __________ to the recovery from the earthquake.
| A．suffering | B．disaster | C．challenge | D．damage |
Please read the _____ on the bottle of the medicine carefully and pay attention to the amount and the time to take the medicine．
| A．explanations | B．instructions | C．introductions | D．descriptions |
One of the advantages of living on the top floor is that you can have a good _____ of the city．
| A．sight | B．scenery | C．look | D．view |
Doctors should take special care when treating children because their breathing rate is different from _____ of adults．
| A．that | B．those | C．some | D．one |
Most American cities are relatively small in terms of population when _____ with Chinese cities like Shanghai and Beijing．
| A．compare | B．comparing | C．compared | D．to compare |
The manager says he really can't _____ to wait another day, because he is so busy．
| A．waste | B．afford | C．spend | D．cost |