问题 阅读理解

阅读短文,判断下列句子是否符合短文内容。符合的写(T),不符合的写(F)。

    A little girl thought she was not beautiful as other girls, and nobody liked her. So she was always

unhappy and didn't like to talk to others. However, one day, her mother gave her a beautiful hair clip

(发夹). When she wore it, she looked much more beautiful than before. She decided to wear it to

school.

   On her way to school she found that everyone who saw her smiled at her. Most of her schoolmates

said "hello" to her, but this never happened before. She thought that the beautiful hair clip had brought

her them all. She was so happy about all of the wonderful things. Although she didn't tell her classmates

about her beautiful hair clip, they all wanted to know what had happened to her.

    When she went back home after school, her mother asked her, "Did you know you dropped your

hair clip? I found it by the door this morning."

    She understood that she hadn't worn the hair clip to school at all.

    It is not impotant what we wear or how we look. The most important is how we think about ourselves.

( )1. The little girl was not beautiful because she had no money to buy a hair clip.

( )2. Her mother didn't like the little girl, either.

( )3. Most of the schoolmates liked her beautiful hair clip very much on that day.

( )4. Her mother found the clip by the door after the girl went to school.

(     )5. It is not importhat what we wear or how we look.

答案

1-5: F F F T T

选择题
问答题

国家规定,从今年6月1日起,在所有的商品零售场所实行塑料购物袋有偿使用制度,一律不得免费提供塑料购物袋.日常生活中使用的塑料袋有用聚乙烯制成的,也有用聚氯乙烯制成 的.小明同学听说包装食品的塑料袋应该是前者而不是后者,便设计了一个实验方案,用平 常在超市买东西时带回来的塑料袋进行探究,以验证其成分.

提出猜想:猜想1该塑料袋用聚乙烯制成.

猜想2该塑料袋用聚氯乙烯制成.

查阅资料:聚乙烯燃烧生成CO2和H2O;聚氯乙烯燃烧除了生成CO2和H2O之外,还会有HCl气

体产生.无水CuSO4是白色粉末,遇水变蓝色.

实验探究:小明将以下实验装置按ABCD顺序连接好,然后进行探究.

写出有标号的仪器的名称:①______②______

(2)连接B、C装置时,正确的接口顺序是c(或b)接______(填“d”或“e”),连接时应先将玻璃管用______湿润,然后再将玻璃管插入橡胶管.

(3)在实验过程中,若B、C、D都产生明显现象,则B装置的作用是______,C瓶中可观察到的实验现象是______,D瓶中发生反应的化学方程式是______.

实验结论:猜想______正确.

实验反思:(1)从化学学科的角度分析,你认为实行塑料购物袋有偿使用制度的好处是______.

(2)连接实验装置时,能否将装置C、D顺序调换?请简述理由.______,理由是______.