Many of the stories written by Mark Twain take place in Hannibal, Missouri.The small woode

Many of the stories written by Mark Twain take place in Hannibal, Missouri. The small wooden house where he lived as a boy still stands there. Next to the house is a wooden fence. It is the kind described in Twain's book, The Adventures of Tom Sawyer, published in1876.
In that story, Tom has been told to paint the fence. He does not want to do it. But he acts as if the job is great fun. He tricks other boys into believing this. His trick is so successful that they agree to pay him money to let them finish his work. The Adventures of Tom Sawyer is considered one of the best books about an American boy's life in THE the1800s.
Tom Sawyer's good friend is Huckleberry, or Huck, Finn. Mark Twain tells this boy's story in The Adventures of Huckleberry Finn. Huck is a poor child, without a mother or home. His father drinks too much alcohol and beats him.
Huck's situation has freed him from the restrictions of society. He explores in the woods and goes fishing. He stays out all night and does not go to school. He smokes tobacco.
Huck runs away from home. He meets Jim, a black man who has escaped from slavery. They travel together on a raft made of wood down the Mississippi River. Huck describes the trip: It was lovely to live on the raft. Other places seem so cramped up and smothery, but a raft don't. You feel mighty free and easy and comfortable on a raft... Sometimes we'd have that whole river to ourselves for the longest time... We had the sky up there, all speckled with stars, and we used to lay on our backs and look up at them---. “
【小题1】From the second paragraph we learn Tom Sawyer is a boy.A．kindB．smartC．clumsyD．honest【小题2】The reason why Huck runs away from home is that .A．his family is poorB．he wants to find a friend live withC．there’s no warn in his homeD．he loves nature and likes to adventure【小题3】 The underlined word “restrictions” can be replaced by .A．limitsB．prohibitionC．forcesD．rules【小题4】Why did Huck feel comfortable living in a raft? Because .A．Huck made the raft by himselfB．Huck could eat fresh food hereC．Huck could have the river thereD．Huck likes to be free【小题5】The stories of “The Adventures of Tom Sawyer and “The Adventures of Huckleberry Finn” are probably .A．completely imaginaryB．according Mark Twain’s experiences C．Mark Twain’s autobiography(自传)D．records from his last generationB

(答案→)B 解析：可联系答.案.网客服索取。

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A解析分析：此题考查的是植物体和人体的结构层次．人体的结构层次由微观到宏观依次是细胞→组织→器官→系统→动物体，与人体的结构层次相比，植物体的结构层次无系统．即细胞→组织→器官→植物体．解答：细胞是人体和植物体结构和功能的基本单位，细胞分裂、分化形成组织，人体的主要组织有上皮组织、肌肉组织、结缔组织、神经组织等；组织进一步形成器官，由不同的组织按照一定的次序结合在一起形成具有一定功能的器官，再由能够共同完成一种或几种生理功能的多个器官按照一定的次序组合在一起形成系统，人体有消化系统、呼吸系统、循环系统、泌尿系统、运动系统、生殖系统、内分泌系统和神经系统．最后由八大系统构成完整的人体．因此人体的结构层次由微观到宏观依次是细胞→组织→器官→系统→人体；构成植物体的主要组织有：分生组织、保护组织、营养组织、输导组织、机械组织．不同的组织再组成器官，植物有六大器官：根、茎、叶、花、果实和种子，由这六大器官直接构成整个绿色开花植物体．可见植物体的结构层次由小到大依次是细胞→组织→器官→植物体．因此，与人体的结构层次相比，植物体的结构层次无系统．因此，绿色开花植物和人的最高结构分别是器官和系统，选项B、C、D均是错误的．
故选：A．点评：解此题的关键是关键掌握人体与植物体的结构层次．

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