问题 单项选择题

我国生产的大理石装饰板材,厚度多为20mm,而发达国家向薄型板材方向发展,最薄可达到下列哪一种尺寸()

A.18mm

B. 15mm

C. 10mm

D. 7mm

答案

参考答案:D

解析:

参见《建筑材料》,符芳主编,P.28。[注:薄型石材是指厚度在10~15mm之间的石材板材;超薄型石材是指石材厚度在10mm以下的各类石材板材。现在已经可以将大理石板材做到最薄达2mm,规格最大可以做到1200mm×2400mm(厚度随规格增大而增加);花岗岩板材厚度最薄可达3mm,规格最大可以做到1200mm×1200mm。]

阅读理解

任务型阅读:根据短文内容,完成下列任务。

                                                                 

     Jackie Chan born on April 7, 1954, in Hong Kong, China. His parents called him "Chan Kong sang", which

means "born in Hong Kong".

     At first, Jackie's family lived at the French Embassy (大使馆). His father was a cook, and his mother was

a housekeeper. When Jackie was seven years old, his family moved to Australia. His father got a job at the

American Embassy. Later back in Hong Kong, Jackie's father sent him to the China Drama Academy (中国戏

剧学院). The students there practiced kung fu and learned how to do stunts (特级表演).

     When Jackie was 17, he began to do dangerous stunts for films. In the early 1980s, Jackie went to

Hollywood, but he wasn't very successful. He went on to make films in Hong Kong and had great success.

Finally, Jackie Chan became famous in the United States. Today, Jackie Chan has both Chinese and American

fans, and his films make millions of dollars.

任务一:

1. 将文中的下划线句子改为简单句。

    ____________, Jackie began to do dangerous stunts for films.

任务二:

2. 写出文中下划线单词。

   “famous” 的近义词。____________

任务三:回答下列问题。

3. When was Jackie Chan born?

    _________________________________________________

4. What was Jackie's father at the French Embassy?

    _________________________________________________

5. What did Jackie learn in the China Drama Academy? 

    _________________________________________________

单项选择题 A1/A2型题