(
课件网) Key question What should we learn about the Earth Unit 4 The Earth Lesson 3 There are fields and mountains, rivers and seas, forests and deserts. Can you describe these photos There are many different plants. Some are tall, some are small. Lead-in There are millions of animals on Earth. Some live on land, some ... There are many people living on Earth. It provides ... with... Can you describe these photos We often use “There is/are...” to say that sth. exists somewhere. Lead-in Su Mei and Su Wen are talking about how to protect the sea. Guess what are the missing words and why. Su Mei: The sea is very important to us. But there is more and more plastic pollution in the sea. What can we do to help protect the sea Su Wen:There are many things we can do. We shoud organize a Beach Clean-up Day. You see, there are always many bottles and plastic bags, and a lot of other rubbish on the beaches in our area.These things all end up in the sea. Su Mei: That’s a good idea! Are there any other things we can do to help Su Wen:Yes,of course, I will send you an article with some good suggestions. Tip: Pay attention to the underlined nouns and noun phrases. Grammar：there is/are ... Presentation Presentation plastic pollution things plastic bags bottles rubbish Think about the difference: Presentation Uncountable nouns 不可数名词 things bottles plastic bags plastic pollution rubbish Countable nouns 可数名词 Presentation 常考的 不可数名词 气体：air, oxygen 液体：water, milk, tea, coffee, juice, soup, oil 食物：food, rice, bread, meat, beef, pork 其他：time, money, homework, housework, advice, weather, information, furniture, pollution You see, there are always many bottles and plastic bags, and a lot of other rubbish on the beaches in our area. You see, there is always a lot of rubbish, and many bottles and plastic bags on the beaches in our area. Remember: There be句型在使用时, 谓语动词的单复数通常遵循 _____。 “就近原则” Presentation Today, there is a lot of pollution. There are also many people like you and me on Earth. There are many different plants. There are different animals on Earth too. There are forests and rivers, mountains and fields. Presentation We use _____ with a singular noun or an uncountable noun. We use _____ with a plural noun. there is there are There _____ a pen on the desk. There _____ two boxes on the desk. There _____ a pen and two boxes on the desk. There _____ two boxes and a pen on the desk. There _____ some water in the bottle. There _____ some rocks in the bottle. There _____ some rocks and water in the bottle. There _____ some water and rocks in the bottle. is are is are is are are is Can you try this exercise Practice Presentation There are mountains and forests on Earth. 变为一般疑问句 Are there mountains and forests on Earth 肯定回答 Yes, there are. 否定回答 No, there aren’t. Presentation There is a lot of rubbish. 变为一般疑问句 Is there a lot of rubbish 肯 ... ...
