人教高中英语复习课堂练习12 ：必修2 Unit 6　Earth first Word版含解析.doc

课时质量评价(十二)
必修第二册　Unit 6　Earth first
A组·基础巩固
Ⅰ. 语法填空
China plans to release one or two giant pandas into the wild. So far the spot 1. ________ (select) in east China's Jiangxi Province. It will be the first time to release a giant panda into the wild outside southwest China's Sichuan Province, 2. ________ 13 pandas had been released by the end of last year.
An expert meeting was held in Jiangxi, where it was decided that pandas would be transported from Sichuan. Then they will be released into the Jiangxi Guanshan National Nature Reserve. The nature reserve 3. ________ (have) a mild climate and a quite good ecosystem, with abundant bamboo 4. ________ (resource) and little human interference, which is good for giant pandas to reproduce.
Researchers also 5. ________ (brief) introduced the research method to experts. The method includes 6. ________ giant panda reintroduction programme. The reintroduction programme refers to 7. ________ (release) captive­bred (圈养繁殖的) pandas to their past distribution areas. They will live in these areas after wild training 8. ________ (rebuild) the wild population. Researchers will obtain 9. ________ (value) data. And the data shows how pandas adapt to the environment and climate after they stay at the wild habitats.
The programme has high research value for studying some problems. Why did pandas die out in their historical distribution areas