题目

“苔花如米小，也学牡丹开”。苔藓属于小型的绿色植物，喜欢潮湿环境。生长在岩石上的苔藓有利于促成表层土的生成，对治理石漠化具有重要作用。据此完成下面小题。 1．下图所示四个地区<中，最不适合苔藓生长的是 A．①                         B．②                          C．③                         D．④ 2．我国云贵高原石漠化现象严重，其自然原因有 ①土层薄，山高坡陡  ②破坏陡坡苔藓  ③阅读理解。      My name is Peter. I'm fourteen. There are four people in my family. They are my father, my mother, my brother and I. My mother and father are doctors. My brother and I are at school.       We have a big house. There is a tall tree in front of the house. My father and mother often sit under the treeand read books. We sometimes play there.       My brother and I are in the same school. We like our school very much. 1. How many people are there in Peter's family? [     ]A. Two. B. Three. C. Four. D. Five. 2. Is there a tree behind their house? [     ]A. Yes, there is. B. No, there isn't. C. Sorry, I don't know. D. All right. 3. Peter and his brother are _______. [     ]A. in the school B. the same age C. not in the same school D. teachers 4. What's Peter's parents' (父母的) job? [     ]A. They are teachers. B. They are doctors. C. They are workers. D. They are students. 5. Peter's parents often _______ under the tree. [     ]A. walk B. work C. read D. clean