单选题：Those scientists are studying on how to harness the energy o

题目内容：

Those scientists are studying on how to harness the energy of the wind. A．create
B．store
C．utilize
D．produce

参考答案：

答案解析：

We have diverse ways to solve the problem and shouldn't give

We have diverse ways to solve the problem and shouldn't give up the hope.A．color

分类：卫生类题型：单选题

回答(64)题A．and B．or C．nor D．also

分类：卫生类题型：单选题

Some of the trials were too short to show their long-term effects.A．Right B．Wron

分类：卫生类题型：单选题

Mary said mildly, "I'm just curious about it."A．gently B．shyly C．weakly D．sweetl

分类：卫生类题型：单选题

回答(59)题A．work on B．workout C．work at D．work up

分类：卫生类题型：单选题