《2025年优课堂给力A加九年级英语全一册人教版》

The 1. history of the computer mouse
| 1964 | The wooden mouse |
| Inventor: Douglas Engelbart | Job: researcher |
| 2. Appearance | * a wooden "house" * a circuit board * two metal wheels |
| Naming: Its nickname "mouse" got popular because of the long "tail" on the back. | |
| 1972 | The "Ball Mouse" |
| Developer: Bill English | Job: computer engineer |
| Development: A rolling ball 3. replaced the wheels at the bottom. | Popularity: High popularity because of its 4. easiness of use. |
| Problem: It had the cleaning problem. | |
| The 1980s | The optical mouse |
| Popularity: Low popularity because of its high price. | |
| Future | * Experts' prediction: The computer mouse will 5. disappear before long because of the rise of new technologies. * Some other people disagree. |

答案： 【解析】：本题主要考查对文章细节的理解与提取能力。需要根据短文内容，完成图表中所缺的信息。
1. 第一空所在句子“The 1. ______ of the computer mouse”是图表的标题，结合短文内容可知，短文主要讲述了计算机鼠标的发展历程，所以此处应填“history”。
2. 第二空所在部分是关于1964年出现的木制鼠标的介绍，根据“The mouse was mainly made up of a wooden 'house', a circuit (电路) board and two metal wheels.”可知，此处应填“Appearance”，表示鼠标的外观。
3. 第三空所在句子“A rolling ball 3. ______ the wheels at the bottom.”描述的是“Ball Mouse”的发展情况，根据“He changed the wheels into a rolling (滚转的) ball at the bottom of the mouse.”可知，滚动球取代了底部的轮子，所以此处应填“replaced”。
4. 第四空所在句子“Popularity: High popularity because of its 4. ______.”解释了“Ball Mouse”受欢迎的原因，根据“The 'Ball Mouse' was easier to use. It was such a success that it could be found in lots of offices.”可知，它受欢迎是因为使用方便，所以此处应填“easiness of use”。
5. 第五空所在句子“Experts' prediction: The computer mouse will 5. ______ before long because of the rise of new technologies.”是专家对计算机鼠标未来的预测，根据“Some experts believe the days of the computer mouse are numbered, because the touch screens make people and the computer closer and closer.”可知，专家认为由于新技术的兴起，计算机鼠标很快就会消失，所以此处应填“disappear”。
【答案】：1. history；2. Appearance；3. replaced；4. easiness of use；5. disappear