UNIT 12 TOPIC TALK（同步练习）-【学而思·PPT课件分层练习】2025-2026学年高二英语选择性必修第四册（北师大版）

UNIT 12　INNOVATION

Part 1　TOPIC TALK

基础过关练

Ⅰ.单词拼写

1.The computer is a typical 　　　　(节省劳力的) machine.  

2.There is a new 　　　　(设备) for cars that warns drivers of traffic jams ahead.  

3.Sport has become an important form of 　　　　(娱乐活动), appealing to both men and women.  

4.Recent studies show that we are more 　　　　(富有成效的) at work if we take short breaks regularly. 

5.(2025新课标Ⅱ)It should be noted that none of the items on wastED's menu was technically made from 　　　　(垃圾).  

Ⅱ.选词填空(其中有一项多余)

every once in a while; adapt to; think of; in general; put...into operation

1.He comes to our room for a chat 　　　　　　. 

2.The project which was agreed in the last month will be 　　　　　　 soon. 

3.We should 　　　　　　 ways to encourage creativity. 

4.You should be able to work well in a team and 　　　　　　 a working environment. 

Ⅲ.单句语法填空

1.It is said that he has a great gift 　　　　　 music. 

2.Being equipped with a global vision and the spirit of 　　　　　(innovate) is crucial for China's younger generation.  

3.I found the talk both informative and 　　　　　(entertain). 

4.Every one of us considered the picking activity both meaningful and 　　　　　(reward). 

5.Knowledgeable guides will entertain you 　　　　　 the most interesting stories about memorials and parks.  

Ⅳ.完成句子

1.直到了解所有的情况后我们才能采取措施。(until)

We 　　　　 　　　　 　　　　 　　　　 　　　　 we've known all the circumstances. 

2.在这部电影中,玛丽在数学方面有天赋。

In the movie, Mary 　　　　 　　　　 　　　　 　　　　. 

3.这台机器操作起来非常简单。任何人都能在几分钟内学会使用它。(不定式的主动形式表示被动意义)

 This machine 　　　　 　　　　 　　　　 　　　　 　　　　. Anybody can learn to use it in a few minutes.  

4.With the help of the local guide, the mountain climber was rescued.(句式升级;强调句型)

→　　　　 　　　　 　　　　 　　　　 　　　　 　　　　 　　　　 　　　　 　　　　 　　　　 the mountain climber was rescued. 

 

能力提升练

Ⅰ.阅读理解

(2025山东聊城期中)

　　Precision agriculture is one of the most significant trends in modern farming. One particularly promising application involves the use of real-time imaging to visualize how tiny drops of liquid are forming on plant surfaces. Unlike conventional agriculture where farmers often rely on general estimates and uniform application of pesticides(杀虫剂) across the entire field, this technology helps farmers maximize productivity while minimizing inputs.

This development originated from the work of Vishnu Jayaprakash, who had some family exposure to the process of spraying(向……喷杀虫剂) crops and recognized that the main challenge in that process is how to make water-based sprays interact effectively with surfaces of plants.

Several factors influence this process, including the pressure, flow and nozzle(喷嘴) design of the device, and the temperature, sunlight intensity, wind and other conditions at the time of spraying.

To effectively address this issue, Jayaprakash developed a two-camera system that can be connected to typical spraying equipment and use imaging of the sprayed solution on the target plants to determine necessary adjustments for the best degree of coverage with appropriately sized tiny drops. The system can be used to make on-the-go adjustments in order to get the spray coverage “just right”. This allows farmers to use only 20%-30% of the product per acre(英亩) while maintaining key functions like pest control, fertilization, and growth regulation.

The advancement in precision agriculture is helping farmers reduce costs while maintaining crop protection. Susan Scheufele, an extension researcher at the University of Massachusetts, has conducted field trials with this technology on vegetable crops. In trials for cotton leaf removal, it has shown positive results even when used at 50% of the minimum recommended application rate on the product label.

The primary benefit of precision agriculture methods lies beyond cost savings. In spite of the fact that this technology still has a long way to go, its adoption ensures that chemical remains in crops are well below harmful levels, safeguarding ecosystems and food safety.

1.What can be learned about precision agriculture in paragraph 1?

A.It visualizes plants more clearly.

B.It uses pesticides more accurately.

C.It continuously monitors plant growth.

D.It estimates the need of the entire field.

2.How does Jayaprakash's two-camera system work?

A.By guiding spraying equipment to target plant surfaces.

B.By calculating the precise amount of pesticide required.

C.By making real-time adjustments to enhance spray coverage.

D.By using imaging to closely monitor plant growth and health.