1. Great temperature drop due to cold air from the north froze the water in Nanjing for the first time this winter.
2. The sharp drop in air cargo traffic as a result of declining world trade has resulted in lower demand for freighter jets.
3. The sharp drop in temperature and poor air quality in north China have been cited as the main reasons for the rise in cases.
4. A sharp drop in temperature and the poor air quality in North China are responsible for the rise in flu cases.
5. " Advance bookings indicate that the drop in demand for air travel is leveling out, " the company said.
6. Cold air hit most of the northern part of the country from Wednesday with a dramatic drop in temperatures.
7. Many places in China witnessed temperature drop due to strong cold air in recent days.
8. While the drop in overall traffic was Air France's first in more than a year, demand is holding up better than at some rivals.
9. Some areas may even see as sharp a drop as 12 C to 16 C because of the cold air front.
10. The military said it was planning to air drop aid to Wenchuan.