教育生态观能为人们探索教育现象和问题提供具有生态效度的方法论思想，是因为它具有：（） 发布时间：2017-07-05 18:52 │ 来源：www.tikuol.com 题型：多项选择题 问题： 教育生态观能为人们探索教育现象和问题提供具有生态效度的方法论思想，是因为它具有：（）A、整体和谐性B、动态开放性C、真实有效性D、自主独立性
题型：多项选择题 武汉甲建设公司与长沙乙建筑公司欲签订一份建设工程施工合同，甲公司签字盖章后邮寄给乙公司签字盖章。该合同成立的时间应为( )。A．甲、乙公司就合同内容达成合意时B．乙公司收到甲公司签字盖章的合同时C．甲公司签字盖章时D．乙公司签字盖章时 查看答案
题型：多项选择题 完形填空。 "This Friday we'll have the yearly Egg Drop Challenge," said our science teacher, Mr. baker. "You can work alone or with a partner." My friend, Cassie, and I smiled at each other. We always worked on projets 1 . The 2 of the challenge was simple-to build a protective container to keep an egg from breaking when 3 the stadium wall. I made my sandwich that afternoon while waiting for Cassie. 4 the butter-cream gave me an idea. "I have a brilliant design for our 5 container!"I said when Cassie arrived."We can 6 the egg with some butter-cream." "Why not pit the egg in a basket with a parachute (降落伞) 7 ?" Cassie rolled her eyes. "The parachute is better than that stupid idea." I couldn't believe it, Of course we'd had our little 8 in the past, but she'd never called any of my ideas" 9 " before. "Then I'll build mine and you build yours!" 10 words had been out, our friendship was challenged. When Friday finally arrived, I had to 11 Cassie's Egg Force One looked pretty good. 12 , my Egg-cellent Egg Cream didn't look quite scientific. We kids carried our containers up three stadium steps and dropped them over the side wall. Those whose eggs broke were out; those whose eggs survived 13 three more steps and dropped them again. This would go on till the last egg broke. After four rounds, only Cassie and I were 14 . I let go of my box. I heard someone say"ew" after seconds. Had my egg broken? I raced down the 15 . The side walk was dotted with egg shells (蛋壳) from those 16 drops. Finally I found my little Egg-cellent Egg Cream. "That looks like egg drop soup, Laura,"Cassie said. She was holding her Egg Force One. My 17 raced. Had she won? I looked at her basket. 18 . "My egg bounced 19 ,"she explained, pointing to a broken shell. "A tie (平局),"Mr. Baker said. Cassie looked at me, and her glare 20 . I laughed. She smiled… ( )1. A. patiently ( )2. A. function ( )3. A. rolled down ( )4. A. Spreading ( )5. A. butter ( )6. A. protect ( )7. A. followed ( )8. A. ideas ( )9. A. wrong ( )10. A. Since ( )11. A. explain ( )12. A. Therefore ( )13. A. paced down ( )14. A. left ( )15. A. steps ( )16. A. intended ( )17. A. eyes ( )18. A. Lost ( )19. A. around ( )20. A. returned B. silently B. goal B. pushed against B. Boiling B. sandwich B. replace B. covered B. fights B. stupid B. While B. deny B. Anyway B. turned around B. wanted B. way B. unexpected B. hands B. Dirty B. out B. remained C. together C. reason C. thrown at C. Baking C. cream C. carry C. attached C. worries C. brilliant C. But C. admit C. Otherwise C. walked up C. chosen C. wall C. failed C. feet C. Broken C. in C. increasedD. alone D. result D. dropped over D. Holding D. egg D. mix D. supported D. challenges D. scientific D. And D. prove D. Besides D. went back D. discovered D. sidewalk D. desired D. heart D. Empty D. down D. softened 查看答案