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课件网) Unit8 Our Blue Planet Grammar in use （仁爱版 2024）七年级 下 0 2 Presentation Practice 4 Consolidation 6 Summary Assessment Homework 1 3 5 7 Learning objectives Lead in By the end of the lesson, I will be able to... 1 2 3 correctly read and write large numbers and master the comma - separation rule; understand and use the affirmative and negative forms of imperative sentences to give environmental protection instructions; describe geographical phenomena through actual data to enhance scientific literacy. Learning objectives 00 Lead in 01 Watch a video. Lead in 01 Ocean Whiz Quiz. How long is the body length of an average adult dolphin A. 2 - 4 meters B. 20 – 40 meters Lead in 01 Ocean Whiz Quiz. 2.How many tentacles does a moon jellyfish usually have A. About 4 - 5 tentacles B. About 40 - 50 tentacles Lead in 01 Ocean Whiz Quiz. 3.How far can a seahorse swim in about an hour A. About 100 - 200 meters. B. About 10 - 20 meters Lead in 01 Ocean Whiz Quiz. 4. How deep can a sperm whale usually dive underwater A. 100 - 200 meters. B. 1000 - 2000 meters. Look at the pictures and guess its name according to the descriptions. Presentation 02 Activity 1 Look and guess. Look at the pictures and guess its name according to the descriptions. How big is it Presentation 02 Activity 1 Look and guess. Where is it The _____ is about _____square kilometers. Qinghai Lake 4,600 four thousand six hundred Look at the pictures and guess its name according to the descriptions. How long is it Presentation 02 Activity 1 Look and guess. Where is it The _____ is about _____ kilometers. Changjiang River 6,300 six thousand three hundred Look at the pictures and guess its name according to the descriptions. How long is it Presentation 02 Activity 1 Look and guess. Where is it The coastline of _____ is about _____ kilometers long. the Arctic Ocean 45,390 Forty-five thousand three hundred ninety Look at the pictures and guess its name according to the descriptions. How long is it Presentation 02 Activity 1 Look and guess. Where is it The _____covers more than _____ square kilometers. Atlantic Ocean 93,000,000 ninety - three million Activity 1 Look and read the sentences. Pay attention to the numbers. The Qinghai Lake covers about 4,600 square kilometers. The Changjiang River is about 6,300 kilometers. The coastline of the Arctic Ocean is about 45,390 kilometers long. The Atlantic Ocean covers more than 93,000,000 square kilometers. Presentation 02 four thousand six hundred six thousand three hundred Forty-five thousand three hundred ninety ninety - three million Activity 1 Look and read the sentences. Pay attention to the numbers. Presentation 02 four thousand six hundred six thousand three hundred Forty-five thousand three hundred ninety ninety - three million We use a comma every 3 digits from the right when the number is greater than 999. 4,600 6,300 45,390 93,000,000 1, 425, 657, 565 Let’s learn! Presentatio ... ...
