Unit 8 Our Blue Planet Listening and speaking 课件 2025-2026学年仁爱科普版七年级英语下册

Listening & Speaking Unit 8 Our Blue Planet 学习目标 To learn about different waterscapes. To listen and talk about the geographical location, length and other information of different waterscapes. Leading in Look at the pictures and identify the waterscape. Niagara Falls The Nile River Lake Baikal 3 Free Talk Do you know these famous waterscapes? a. The Pacific Ocean b. Niagara Falls c. The Nile River d. Lake Baikal e. The Bohai Sea Big Question: Why is water important? In this unit, you will learn to: talk about the importance of water. understand the importance of saving water. use a thinking map to identify the main idea and details. use the reading strategy of visualizing. design a poster for a special day of the earth. Look at the pictures and identify the waterscape. The Bohai Sea The Pacific Ocean 6 Do you know more about these famous waterscapes? The Pacific Ocean (太平洋) • It is the largest ocean in the world. • It covers more than 60 million square miles. • It contains more than half of the world's ocean water. 7 A. Match the places (a-e) with the pictures on the right. a. The Pacific Ocean b. Niagara Falls c. The Nile River d. Lake Baikal e. The Bohai Sea Do you know more about these famous waterscapes? Niagara Falls (尼亚加拉大瀑布) • It is one of the most famous waterfalls in the world. • It is located on the border between the United States and Canada. • It is known for its powerful and beautiful waterfalls. 9 B. Read the descriptions and choose the correct places. ___ 1. It is a 99-meter-high waterfall in North America. ___ 2. It is 6,671 kilometers long. It runs through eastern Africa. ___ 3. It's an old freshwater lake on the earth. It is over 25 million years old. ___ 4. It is an inland sea in the north-east of China. ___ 5. It is very large and deep. It is one of the four oceans on the earth. b c d e a a. The Pacific Ocean b. Niagara Falls c. The Nile River d. Lake Baikal e. The Bohai Sea Do you know more about these famous waterscapes? The Nile River (尼罗河) • It is the longest river in the world. • It flows through eastern Africa. • It is a major source of water for Egypt and Sudan. 11 Do you know more about these famous waterscapes? Lake Baikal (贝加尔湖) • It is the world's deepest and oldest lake. • It is located in Siberia, Russia. • It contains about 20% of the world's fresh surface water. 12 Match the places (a-e) with the pictures at the the top of the next page. A a b c e d 13 Do you know more about these famous waterscapes? The Bohai Sea (渤海) • It is an inland sea in northeastern China. • It is a part of the Western Pacific Ocean. • It is an important fishing area and a hub for maritime activity. 14 _____________ _____________ _____________ Read the descriptions and choose the correct places above. 1. It is a 99-meter-high waterfall in North America. 2. It is 6,671 kilometers long. It runs through eastern Africa. 3. It’s an old freshwater lake on the earth. It is over 25 million years old. Niagara Falls The Nile River Lake Baikal 一个99米高的瀑布 北美 6671千米长 流经 东非 一个古老的淡水湖 15 Read the descriptions again and fill in the blanks. 1. Niagara Falls is a __________________ waterfall in North America. 2. The Nile River is 6,671 ______________ long. It __________ __________ eastern Africa. 3. Lake Baikal is an old ______________ lake on the earth. It is over 20 million years old. 99-meter-high kilometers freshwater runs through 16 __________________ __________________ Read the descriptions and choose the correct places above. 4. It is an inland sea in the north-east of China. 5. It is very large and deep. It is one of the four oceans on the earth. The Bohai Sea The Pacific Ocean 在中国的东北部 四大洋之一 17 ☆. 多长 How long 多宽 How wide 多深 How deep 多高 How tall/ high 这条河流多长？ 它2千米长 How long is the river? It is 2 kilometers long. 注意：在英语当中，表达物体的长，宽，高等概念时，用数字+单位+ long/ wide/ high/tall 等来表示 18 Read the descriptions again and fill in the blanks. 4. The Bhai Sea is an __________ sea in the north-east of China. 5. The Pacific Ocean is very __________ and __________. It is one of the four __________ on the earth. inland large deep oceans 19 ☆ It is a 99-meter-high waterfall. 99米高的 The waterfall is 99 meters high. 99米高 99-meter-high是一个复合形容词 99米高的 修饰名词“waterfall 这类复合形容词的结构为 基数词+连词符+单数名词(+连词符+形容词)”，常 在句中作前置定语。 20 through /θruː prep.穿过;贯穿 run through 流经 go through 穿过，透过 go through the park 穿过公园 go through the window 透过窗户 21 freshwater /'freʃwɔːtə(r)/ adj.淡水的 saltwater / ˈsɔːltwɔːtər / adj. 咸水的 million /'mɪljən/ num.一百万 五百万 five million 数以百万计 millions of inland /'ɪnlænd/ adj.(在)内陆的 /ˌɪn'lænd/ adv.向(或在)内陆 22 $