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 |
14．After a short rest, he came back to he had stopped and continued reading.
| A．where | B．which | C．in which | D．that |
13. After working hard for many years, .
| A．his dream was realized | B．his dream came true |
| C．he came true his dream | D．he realized his dream |
12. The police the crowd in case anything happened.
| A．held back | B．held up | C．kept down | D．kept from |
11. ——What does the hydro-electric project of the Three Gorges Dam mean?
——It means the danger of flooding.
| A．to bring an end of | B．to bring an end to |
| C．bringing an end of | D．bringing an end to |
10. is often the case, we have worked out the production plan.
| A．Which | B．When | C．What | D．As |