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课件网) 英语 电子教案 七年级 下册 Epic engineering 4 Unit can describe engineering works, the challenges of building them, and the solutions Objectives learn some words about engineering works and ways to overcome challenges practise sentence stress use although and though Tasks can get a deeper understanding of what epic engineering is read an article about the Qinghai–Xizang Railway listen to a radio programme about the Grand Canal study an example of clever engineering can communicate on engineering works and ways to overcome challenges Objectives talk about the Grand Canal make a building plan based on a map Tasks can present an example of epic engineering by using an outline write a short description of Dujiangyan 1 2 3 4 5 A railway is a road for trains to travel on. A bridge is a building over a river or road. People or traffic can cross on it. A dam is a special wall across a river to stop the water. A thrill ride is like a train that runs with lots of ups and downs in a park. A canal is a long water passage created by people, for boats to travel along. Read the definitions and match them with the pictures. Describing engineering works and challenges d c a f e across, along, over, and through 1 2 Building a thrill ride The biggest challenge is to make sure of its safety. Engineers have to design seat belts. They also think about how fast it goes, so that it’s fun but not too dangerous for people to take a ride. _____ It’s not easy to complete. It needs lots of big rocks and earth, and it may hurt the animals and plants in the river, but it helps us take care of our water and gives us energy! Miss Ding is introducing engineering works to kids. Match the headings with the descriptions. Describing engineering works and challenges a c Building a bridge Building a dam Building a dam b d Building a railway Building a canal 3 4 _____ The work can connect people and places, but building a safe track is a big challenge. Sometimes there are rivers and mountains in the way. It’s also important to protect the environment and animals. Engineers have built passages under the road for animals to cross. _____ Engineers have to make sure it’s strong enough for cars and people to cross. They also need to choose the right material. Engineers work hard and create wonders, even though there are many challenges. Those examples of epic engineering are not just big; they often push people’s limits. They are a mix of creativity, science, and hard work! Describing engineering works and challenges Building a bridge Building a railway The kid and the engineer are talking about building 1 _____. Though it is a big 2 _____, it is fun because engineers try to 3 _____ ways to help 4 _____ people and places. To cross mountains and rivers, they build 5 _____ and tunnels. They also add rocks to make the ground strong enough. It’s not an easy job! Listen to a dialogue and complete the summary. Describing engine ... ...
