In this part, you are required to write a composition entitled Duality of Science: Its Positive Effects and Side Effects in no less than 200 words. Your composition should be based on the following outline: 1. The positive effect of science. 2. The side effects of science. 3. Make the best use of the positive effects of science and avoid its side effects.
A. 2. B. 3. C.
【参考答案】
Duality of Science: Its Positive Effects and Side Effects So......