The number of species of fossil organisms that have been described is about
A、 50,000.
B、 100,000.
C、 200,000.
D、 300,000.
E、 500,000.
发布时间：2025-05-14 12:49:16
请在 下方输入 要搜索的题目：
推荐参考答案 (
由 快搜搜题库 官方老师解答 )
答案：D
相关试题
- 1.The number of species of fossil organisms that have been described is about
- 2.What have been discovered later about many photographs?
- 3.In Shanghai, a large number of old buildings have been pulled down so that new blocks will be ____.
- 4.Our sewing machines fast, and there have been numerous enquiries about them.
- 5.Keystone species are the species that have a critical role to play in the maintenance of specific ecosystems
- 6.Sensoji, a Buddhist temple, __in the 7th century, is the oldest temple in Tokyo.A．is believed to have
- 7.____________ is the number of individuals of a species that can be maintained in an area, over time,
- 8.We____ in this school for three years. have studying have been studying been studying studying
- 9.It must have been a ()journey
- 10._have yoy been waiting?
