陕西省千阳县红山中学八年级英语下册 Lesson 13 Why Are Plants Important导学案（无答案） 冀教版

Lesson 13 Why Are Plants Important【Learning aims】Master these important words and phrases:(1) Words: pleasant, among, energy, die, noting, heat, bamboo, kilogram(2) Phrases: in the shade carryaway makeinto【Important difficulties in Learning】Sentences: Lets talk about trees and the reason why we need them. Trees help clean the air. Without food, they would have nothing to eat and they would die. help 的用法【Autonomous learning】1 翻译课文，并且划出重点短语及句子。 2 背诵单词，读熟课文 。II 完成句子：1. These apples are two k_ in weight.2. Lu Xun was born in 1881 and d_ in 1936.3. Heat is a form of e_.4. Pandas like eating b_. 5. Tom is the tallest a_ the three boys. 6. What a _ (please) surprise.7. Please help me carry the box _.8. In summer, the old men often sit _ the tree _ the shade.【Cooperation inquiry】1. Are plants important for people and animals? _ 2. How many kilograms of bamboo does a big panda eat every day? _ _【Focus on knowledge Guidance】1. among prep. 在中间，被所围绕。among 一般指在三者或三者以上之间，而 betweenand 则指 “两者之间” He built a house _ the trees. 他在树林中盖了一所房子。2. die v. 死 现在分词形式为dying，过去式和过去分词均为died。其形容词为dead 意为“死的”。die 不是延续性动词，是短暂性动词，不能与一段时间连用，若与一段时间连用，需采用be dead。Amys pet dog _ (die) last Sunday. Shes very sad.Toms grandfather has _ (die) for three years. lie v. 躺，说谎。 现在分词为lying，过去式为lay，过去分词为lain。 lay v. 下蛋，放置。现在分词为laying，过去式和过去分词均为laid。I saw an old man _ (躺) on the road when I went to school yesterday.3. carryaway 把.搬走（移走、冲走、拿走）Please help me carry away the box.4. in the shade 在阴凉处The dog is sleeping under the tree _ _ _。in the sun 在阳光下in the light 在灯光下in the snow 在雪地里。5. make into 把制成，make后接原材料，into后接产品。其被动语态为be made into。 Glass can _ _ _ glasses. be made by “被制造”，be made up of “由构成，由组成” be made in “在某地制造，产于某地” This kind of bike is made _ Shanghai.6. Lets talk about trees and the reason why we need them. 我们来谈一谈树木以及为什么需要它们。 本句是祈使句。let sb. do sth. = have/ make sb. do sth. 意为让某人做某事。 My mother made me _ you. (help) about 为介词，它的宾语为trees 和the reason，其中 why we need them 为定语从句修饰the reason，用陈述句语序。 I dont know the reason why he didnt come.7. without food, they would have nothing to eat and they would die. 没有食物，它们就会没东西吃而死去。 Without 为介词，与with相反，意为“没有”。句中nothing为否定的不定代词，当形容词或副词修饰不定代词时，形容词或副词要置于不定代词之后。 _ your help, I couldnt finish the work on time. Fish cant live _ water. There is something important in the newspaper. Youd better read it. 8. Trees help clean the air. 树木帮助净化空气。 help为动词，意为“帮助”，其后接动词原形或动词不定式均可。help sb. (to) do sth. 意为“帮助某人做某事”。也可以说成：help sb. with sth. cant help doing sth. 情不自禁做某事。 help 还可做名词讲，为不可数名词。短语 with the help of “在帮助下” Hearing the news, she couldnt help _ (cry)【Expand extension】Thinking: Plants are important. What should we do to protect plants?【Consolidation exercise】1. We cant live _ _ around us. 没有空气，我们无法生存。2. Theres _ _ in the newspaper. 报纸上没有什么有趣的新闻。3. Wood can be _