题目内容：

We are living in a wonderful age, which has become wonderful largely through the scientific discoveries and inventions. There are always new discoveries and new knowledge ahead in every field. For example, much is yet to be discovered in electricity. Weather forecasting is an important area today. Science is doing much in the control of diseases.

Science is a never-ending road for us to go along. Every field gives changes to the person who wants to make science his life work.

 Science is also a method of thinking, which can teach us how to solve problems and help us to arrive at the truth. The men and women who will be the scientists of tomorrow are in our colleges, factories and farms today. We are all potential scientists.

1. The main idea of this passage is _____.

A. all scientists begin to study when they are very young

 B. science teaches us how to work better

 C. science is a never-ending road for people to go along

D. weather forecasting is important

2.Discoveries and inventions are the results of the study and use of _____.

A. electricity      B. science     C. weather     D. the truth

3.There are always discoveries _____ for people to make.

A. in electricity               B. in weather forecasting

C. in every field               D. in thinking

4. Science teaches us how to work by ______ method.

A. important            B. scientific            C. old          D. new

5.The underlined word "potential" means _____.

 A. worth           B. probable           C. learned            D. lazy