正确使用刻度尺的步骤： ①放______ ②确定起始点______ ③确定终点_

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问题问答题

正确使用刻度尺的步骤：

①放______

②确定起始点______

③确定终点______

④视线要与尺面______

⑤读数______

⑥记录______，带上______．

答案

正确使用刻度尺的步骤：

①放：刻度尺要与被测部分对齐；②确定起始点，测量的始端与0刻度线对齐，如果0刻度线磨损，可以与其它整格刻线对齐，测量结果要减去前面的数值；③确定终点，读出终点对应的长度；④视线要与尺面相垂直；⑤读数时结果要估读到分度值的下一位；⑥记录测量结果，带上单位．

故答案为：①刻度尺要与被测部分对齐；②测量的始端与0刻度线对齐，如果0刻度线磨损，可以与其它整格刻线对齐，测量结果要减去前面的数值；③读出终点对应的长度；④相垂直；⑤视线要与尺面垂直；⑥测量结果；单位．

阅读理解

阅读下面的短文，按要求完成所给任务。

Reading is a very good hobby for all the students. You can know much about the world ①______ the help

of all kinds of books. I'm sure everyone has a favorite subject. For example, some are interested in animals,

some in history, and some are interested in literature. Mine is science. I like ② it because it's fun and

educational.

My favorite novel is Around the World in Eighty Days. ③It was written by Jules Verne, a French writer.

Jules Verne was regarded as father of Modern Science Fiction because he devoted (奉献) himself to literature

and wrote several ④well-known scientific romances.

The exciting story of Around the World in Eighty Days tells us about an English gentleman whose name is

Mr. Phileas Fogg, He travels around the world in eighty days. From the story, we can see the writer's love for

the sea, traveling and adventure (冒险). In fact, they played an important role in his life. ⑤多亏了 the writer's

imagination, language skills and scientific and geographical (地理的) knowledge, we can feel as if we were

there when we read the story.

1. 根据上下文写出①处所缺的单词。

______________________________

2. 写出②处画线单词所指代的内容。

______________________________

3. 将③处改为主动语态。

Jules Verne, the French writer _________ the novel Around the World in Eighty Days.

4. 写出④处画线单词的同义词。

______________________________

5. 将⑤处画线汉语翻译成英语。

______________________________

填空题

软件生存周期包括软件定义、______、软件使用和维护三个阶段。