单项选择题

Dozens of scientific groups ail over the world have been ______ the goal of a practical and economic way to use sunlight to split water molecules.

A．pursuing
B．chasing
C．reaching
D．winning
<上一题 目录 下一题>
热门 试题

单项选择题
When travelling, you are advised to take travellers' checks, which provide a secure______ to carrying your money in cash.
A．substitute
B．selection
C．preference
D．alternative
单项选择题
I didn't say anything like that at all. You are purposely ______ my ideas to prove your point.
A．revising
B．contradicting
C．distorting
D．distracting
相关试题