1. It is man’s dream that _____. 
　　　A) one day he will be the master of the world
　　　B) he may learn to control the weather
　　　C) every day there are new wonders of science
　　　D) he can make the clouds drop rain

　　2. According to the passage, to control the weather is _____. 
　　　A) a dream
　　　B) a fact
　　　C) a possibility
　　　D) a wonder

　　3. If you want to get rain, you _____. 
　　　A) drop dry ice into clouds
　　　B) make the clouds move
　　　C) drop water from plane
　　　D) carry water into the sky