一课文助读 阅读Reading 2中的材料，选出最佳选项 1. Why are some people against space exploration according to thepassage? Because they think A. it cost too much time and moneyB. it might feed the world's poor C. it may result in pollution and fatal diseases D. it fails to realise the importance of space exploration

2. Which of the following is NOT the benefit of exploring space?A. Fighting against world hunger. B. Helping farming to grow more food. C.Changing the data on land and weather patterns. D.Promoting technological improvements around the world.

3.What did the picture of Earth from space make people realise?A. We are living on a island. B. Our earth's resources are limited.c. We can find ways in the black sea.D. Mars is the best planet to live on. [答案] 1-3ACB