【名词&注释】
发电机、完形填空(cloze test)、形成层(cambium)、十字花科植物(crucifer)、答题卡(answer sheet)、匀速直线运动(uniform linear motion)、不一样(unlikeliness)、(自闭症)、花样滑冰运动员(figure skater)
[单选题]十字花科植物的雄蕊共有6条，其中外轮两条较短，内轮4条较长，成为( )。
A. 二强雄蕊
B. 四强雄蕊
C. 单体雄蕊
D. 聚药雄蕊
B、C和D． 中，选出最佳选项，并在答题卡上将该选项的标号涂黑。 Introduction to letters to Sam Dear Reader, Please allow me to tell you something before you read this book. When my （36） ,Sam,was born , my heart was filled with joy . I had been sitting in a wheelchair for 20 years before then ,and I have been （37） ill many times . So I wondered if I would have the （38） to tell Sam what I had （39） . For years I have been hosting a program on the 40 and writing articles for a magazine . Being （41） to move freely , I have learned to sit still and keep my heart （42） , exchanging thoughts with thousands of listeners and （43） . So when Sam was born .I （44） to tell him about school and fridship , romance and work , love and everything else . That how I started to write these （45） , I hope that Sam would 46 them sooner or later . However , that expectation （47） when Sam showed aigns of autism (自闭症) at the age of two , He had actually stopped talking before the discovery of the signs . He （48） to communicate with others , even the family members . That was （49） for me but didn’t stop me writing on . I realized that I even 50 now to tell him . I wanted him to （51） what it means to be “diffenet” from others , and learn how to fight against the misfortune he’ll （52） as I myself .. his grandfather ,did ,I just (53) if I could write all that I wanted to say in the rest of my life . Now . (54） the book has been pubhshed . I have been given the chance , Every chapter in the book is a letter to Sam: some about my life .and all about what it means to be a （55） . Daniel Gottlied 第36题：
