题目

科学探究式学习和研究生物学的重要方法。甲图中的ABC是绿色植物在白天进行的三种生理活动;乙图是某生物兴趣小组的同学为研究植物的生命活动设计的实验装置;丙图是对叶片进行脱色的装置。请据图回答问题: (1) 把乙图中的两个装置放在黑暗处一昼夜,然后移到光下照射几小时后,装置内的氧气含量比较高。这是因为该植物进行了甲图中的(填字母)生理活动。 (2) 从乙图的两个装置中各剪去一片绿叶,分别置于丙图装置中Dear Helen,  Thank you so much for your party at Christmas Eve. All76. ___________of them enjoyed it very much. We liked the dishes you had77. ___________cooked but we were happy to learn the English songs you taught78. ____________us. We hope you’ll teach us a lot many songs in the future.79. ____________  We’re leaving from our hometowns to spend the winter80. ____________vacations. It seems that many of us are homesick after81. ____________being away from home for such a long time. What are your82. ____________plans? Will you join in the tourist group organized by our school?83. ____________  We are busy prepare for our trips. Please excuse us84. ____________For not able to say goodbye to you.85. ____________  We hope you’ll have a good time.Yours,Xiao Hua
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