题目

Mary Moe may look like an average grandmother．But she is not．She just learned how to fly an airplane，a dream she has had since she was a little girl．But Mary Moe could not find time to make her dream come true．At age 34，she was just too busy to think about flying a plane．Lessons were costly．Everything seemed to be working against Mary．So her dream had to wait． Mary Moe has done a lot during the past 91 years．For much of that time，she wanted to fly，but never had the chance—until now．  Ms．Moe learned about Wish of a Lifetime, a non-profit organization（3分）河蚌的呼吸器官是 ，运动器官是 ，能分泌珍珠质的是．