单项选择题

Scientist Ram Oren is of the opinion that common beliefs of the tree' s ability to absorb carbon dioxide are ______ .

A．biased
B．insightful
C．overoptimistic
D．totally wrong
<上一题 目录 下一题>
热门 试题

单项选择题
The word it (Line 3, Para. 6) probably refers to ______ .
A．carbon dioxide
B．nitrogen
C．atmosphere
D．coal
单项选择题
What did people do to solve the problem of rain lack around Chad Lake
A．They moved out of this area.
B．They drew water from Lake Chad.
C．They carried water from other areas.
D．They utilize sea water near this area.
相关试题