造成野生动植物濒危和绝灭的最主要原因是[ ] A.自然选择 B.物种退化 C.人 发布时间:2017-05-18 15:44 │ 来源:www.tikuol.com 题型:选择题 问题: 造成野生动植物濒危和绝灭的最主要原因是[ ]A.自然选择 B.物种退化 C.人类过度的狩猎或不合理采伐 D.人类对野生动植物资源的适度开发和利用
题型:选择题 根据句意提示和首字母单词,使句子意思完整。1. I can't go out today, but I can go t _____.2. There is going to be a b_____ game this afternoon.3. We have an English l _____ every day.4. In American , people call football s _____.5. Thank you for your i _____ to visit your factory. 查看答案
题型:选择题 ______ animals died because of the bad weather. [ ]A. Thousand of B. Thousands of C. Two thousands 查看答案