题目

如图，已知△AOB=112°，射线OC为∠AOB内的一条射线，OD、OE分别平分∠AOC、∠COB． （1） 填空：∠DOE的度数为 （2） 当射线OC在∠AOB内绕点O转动，其它条件都不变时，∠DOE的大小会发生变化吗？说明理由． 答案：【1】56° 解：因为OD、OE分别平分∠AOC、∠COB所以∠DOC= 12 ∠AOC，∠COE= 12 ∠BOC所以∠DOE=∠DOC+∠COE= 12 ∠AOC+ 12 ∠BOC= 12 ∠AOB，所以，∠DOE的大小不会发生变化—、完形填空(浙江温中实验学校 2014 届第一轮) Nadya Vessey,of Auckland,New Zealand,was born with an illness. So at the age of 16 ,1 of her legs below the knees were cut off. One day when a little boy was watching 2 take off her prosthetic (假体的)Megs,he asked her 3 she didn't have any legs. Thinking quickly she asked him whether he had read The little Mermaid (《美人鱼》) . He said ,“4 . ” So Nadya told him that she was a mermaid. The little boy was 5 and said ,“Wow!That's so cool!” And then he ran off to tell his dad. The 6 of becoming a mermaid became clearer and clearer in Nadya's mind. After 7 it over,she wrote to Weta Workshop in Wellington to ask if they could 8 her. She never believed they actually would,so she was excited when she knew they 9 . Weta Workshop's manager,Richard Taylor,was very pleased to make it true,and wanted Nadya to be 10     It took Weta Workshop two years to make a special 11 for Nadya. “A prosthetic is a prosthetic,and your body has to be comfortable 12 it and you have to make it part of 13 . ” After practicing in the 14 ,Nadya went to the open sea to try on her mermaid suit. It was 15 amazing and great to watch Nadya swim,and to see her dream come true. Nadya Vessey herself has written the story of a real mermaid.() 1. A. either   B. both   C. neither   D. none() 2. A. me   B. you   C. him   D. her() 3. A. why   B. how   C. when   D. where() 4. A. No   B. Yes   C. Sorry   D. Goodbye() 5. A. sad   B. afraid   C. surprised   D. fortunate() 6. A. news   B. idea   C. story   D. history() 7. A. going   B. taking   C. turning   D. thinking() 8. A. save   B. pick   C. treat   D. help() 9. A. agreed   B. checked   C. refused   D. received() 10. A. ugly   B. beautiful   C. friendly   D. relaxed() 11. A. hat   B. jacket   C. sweater   D. suit() 12. A. with   B. about   C. from   D. of() 13. A. myself   B. ourselves   C. yourself   D. yourselves() 14. A. dining hall   B. waiting room   C. living room   D. swimming pool() 15. A. too   B. really   C. well   D. enough