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作直线 CD⊥ AB，垂足为点 D(ADDB)，点 E是 DB上任意一点 (点 D、 B除外 )，直线 CE交⊙ O于点 F，连结 AF，与直线 CD交于点 G． (1)试说明 AC2=AG AF； (2)若点 E是 AD(点 A、 D除外 )上任意一点，上述结论是否仍然成立 ?若成立．请画出图形，并给予证明；若不成立，请说明理由． ●体验中考 1. (2020年温州 )如图，∠ AOB是⊙

er to see a famous doctor who lives in the capital. He bought two tickets 11 London and told her to put 12 into her handbag while she was playing the piano. The next morning, when they reached the 13

Monkeys are our 6 relatives（亲戚） in the animal world. Scientists have found that monkeys prefer to use one of their hands more than the 7 —but it can be either hand. There are as many righthanded

ittle too closely, I turned my __1__quickly and saw Jack, who sat right behind me. My eyes caught __2__and he said very quietly, “I hope you studied for this __3__!” “What am I doing to do?” I

enough B. hardly enough C. enough hard D. enough hardly （ ） 22. I ____ my book everywhere. A. hunt B. hunted for C. hunted D. hunting for （ ） 23. We are going to have fun ____ English together. A. to

Mr. Black, “You must lose some weight (减肥 ). You’ll be able to 8 your coat, if you do all that I say.” “You’re 9 , sir,” said the rich woman. “He bought me not a coat, but an expensive 10 .” （ ） 1. A