单项选择题

Today dozens of scientific group in different countries have been _______ the goal of a practical and economic way to use sunlight to split water molecules.

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

单项选择题
We find the book quite _______: it provides us with an abundance of information on western music.
A．distracting
B．enlightening
C．amusing
D．confusing
单项选择题
Dogs are often praised for their _______; they almost never abandon their masters.
A．truthfulness
B．loyalty
C．trust
D．faith
相关试题