The word prominent in the passage is closest in meaning to
A. weak
B. important
C. small
D. new
查看答案
The word derives in the passage is closest in meaning to
A. requests
B. pursues
C. obtains
D. rejects
The word stable in the passage is closest in meaning to
A. visible
B. active
C. constant
D. strong
According to paragraph 8, how does bacteria affect beans and clover？
A. It causes many of the plants to die.
B. It limits the growth of young plants.
C. It supplies nitrogen to the crops.
D. It infects the roots with harmful nodules.
某些植物在叶细胞中大量储存五碳糖、黏液等物质来降低冰点，增强抗寒能力。（）
A. 正确
B. 错误
微信支付 
支付宝支付