缺词填空。

The Mid-Autumn Festival

Family members get t  1   and eat m  2  .

The Dragon Boat Festival

There are b  3   races (比赛) in many places of China. The boats are l  4   and have colourful d  5   heads and

tails (尾巴).

The Qing Ming Festival

This is a very important f  6   for more traditional C  7   people. People visit the graves (墓) of their dead

relatives and put food and f  8   on the graves.

The Chong Yang Festival

It's a day for the elderly. Some people visit homes for the elderly (老人). It's a  9   a t  10   day for mountain

climbing (登山).

1. _______    2. _______    3. _______    4. _______    5. ________

6. _______    7. _______    8. _______    9. _______    10. ________

铸石管的特点是( )，多用于承受各种强烈磨损和强酸和碱腐蚀的地方。

A．很高的抗压强度

B．质量轻

C．耐磨

D．耐腐蚀