改错：Ancient man attempted to change the weather by using magic.

Ancient man attempted to change the weather by using magic. While experience taught him this was impossible, __1__he tried to forecast weather conditions. Even earlier in __2__1000 B.C.there were weather seers in Babylon----and priests clever enough to denounce as frauds those predicted __3__the weather a year in the advance. Some forecasters used __4__methods that seemed to take no connection with the actual __5__factors controlled the weather. Chickens and other animals __6__were sacrificed and their intestines poked to find signs indicating rain and drought. Somewhat more scientific were __7__predictions based on vegetation:"Onion's skin very thin ,mild weather coming in. Onion's skin thick and tough, coming weather is cold and rough." Insects and animals were also __8__favorite weather clues: "Before the glowworm lights his __9__lamp , then the air is always damp ." "If spiders their cobwebs forsake , the weather will for certain break ." "If frogs remained in pools , the weather will be fine . If they were seen on rocks, __10__rain and cold were due." It's difficult to say whether this rhyme should be taken seriously : " Hark , I hear the asses bray . Me thinks we'll have some rain today .