五、任务型阅读。
阅读下面短文，从短文后的选项中选出可以填入空白处的最佳选项。选项中有两项为多余选项。
主题群:自然生态
子主题:植物科普
语篇类型:说明文
难度:★★
Bamboo is a wonderful plant for many people around the world. 1.
B
People make tables, clothes, medicine, and musical instruments with it. Pandas mainly eat bamboo every day, and people can also eat it.
2.
G
Some bamboo grows so quickly that people say they can watch it grow. The speed of growth depends on the type of bamboo, the earth and the season. Normal bamboo grows 3～10 cm a day. It usually grows in tropical(热带的) areas. 3.
E
Bamboo plants are found in Asia, parts of Africa, and South America.
One of the world's oldest building materials is bamboo. Today, people use it because it's very strong. In the past, they used it to build houses, boats, and bridges. The Chinese made a bamboo bridge over the Min River in Sichuan, China almost 1,000 years ago. 4.
A
Also, bamboo is still used to make houses today, especially in China and the Philippines.
As a part of history, bamboo is very important. The great scientist Thomas Edison did not invent the light bulb(灯泡), but he made it perfect. He wanted the material inside to burn for a long period of time. He tried over 1,000 different types of materials. 5.
C
One day, he tried to use a piece of bamboo and the light bulb lit up for over a thousand hours. This invention helped other scientists to make the modern light bulb we use today.
A. You can still visit it today.
B. There are over 1,000 uses for it.
C. However, none worked very well.
D. Bamboo is light because it is empty inside.
E. It can also be found in other parts of the world.
F. Chinese people like drawing pictures of bamboo.
G. The fastest growing plant in the world is bamboo.
