6 颗豆豆
1. 单选题
5 秒
1. How many animals became extinct?
794
294
583
414
2. 单选题
5 秒
Antelopes live in_________
Xinjiang Province
Qinghai Province
Tibet Plateau
Gansu Province
3. 单选题
10 秒
3. Which animal is the “Doctor of the forest”?
Owl
Woodpecker（啄木鸟）
eagle
Red-crowned crane
4. 单选题
5 秒
What percentage of birds feed on insects？
80%
85%
90%
95%
5. 单选题
5 秒
What is the sign of the WorldWildlife Fund(WWF)?
Crane
Panda
Camel
Kangaroo
6. 单选题
5 秒
Which pollution is the mostserious?
Air pollution
Light pollution
Water pollution
Soil pollution