1、 To understand the text To use the words correctly:start out live off die offobjectivesReviewVocabulary beeantdovediedeadspeciesrespectstart outlive offdie offn.蜜蜂蜜蜂n.蚂蚁蚂蚁n.鸽子鸽子v.死死adj.死的死的n.物种；种类物种；种类v.尊敬；敬重尊敬；敬重启程，出发；开始做启程，出发；开始做以以为食；以为食；以为生为生相继死去；灭绝相继死去；灭绝Do all the living things on the planet de
2、pend on one another?What can we do for nature?Listen and answer.What is living things?Living things start out weak and small and slowly grow strong and big.All living things need food and water to grow.What will happen if we pollute the rivers and oceans?Fish may get sick or even die.What will happe
3、n if the birds eat the sick or dead fish?They may die off.What helps us grow big and strong?We eat fruit,vegetables,meat and fish.1.Flowers and trees are not living things.2.All living things are connected.3.If the birds eat the sick or dead fish,they will get much stronger.Read the lesson and put t
4、hese sentences in the correct order.()All living things are connected.()We should protect the environment.()Living things live in the world.()All living things need water and food to grow.3412Fill in the blanks with the correct forms of the words in the box.1.His mother has been _ for ten years.2.Pe
5、ople should _ and understand each other.3.Dont always _ others.You should have your own ideas.4.We are _ by the Internet.5.The trees _ out,and this place became desert.respect connect die dead followrespectfollowconnecteddieddeadRead the passage and fill in the blanks with the sentences below.B-D-A-
6、C1.Living things start out weak and small and slowly grow strong and big.start out 意为意为“启程，出发；开始或启程，出发；开始或着手做着手做”Dan is a successful businessman now who started out as a salesman.丹现在是个成功商人，它是从做推销丹现在是个成功商人，它是从做推销员起步的。员起步的。2.If we pollute the rivers and oceans,fish may get sick or even die.get在此处相当于动词
7、在此处相当于动词be的用法，后面的用法，后面跟形容词跟形容词sick作表语。如：作表语。如：He didnt get hurt.他未受伤。他未受伤。The car got stuck in the mud.车陷到泥里了。车陷到泥里了。3.Some birds live off fish.live off意思是意思是“以以为食；以为食；以为为生；依赖生；依赖生活生活”。如：如：We should not live off our parents all our life.我们不能一辈子都依靠父母生活。我们不能一辈子都依靠父母生活。Most of the Asians live off rice.
8、多数亚洲人以大米为主食。多数亚洲人以大米为主食。4.If the birds eat the sick or dead fish,they may die off.die off意思是意思是“相继死去；灭绝相继死去；灭绝”As he grew older,his relatives all died off.随着他年龄的增长，亲人相继死去了。随着他年龄的增长，亲人相继死去了。The chickens are all dying off from the disease.小鸡一个个地病死了。小鸡一个个地病死了。The leaves of this plant are dying off.这株植物
9、的叶子正在凋落。这株植物的叶子正在凋落。die 还有很多固定搭配，在使用时要注意还有很多固定搭配，在使用时要注意它们的区别：它们的区别：die of“死于死于；因；因而死而死”，主要，主要指疾病、衰老等自身的原因。如：指疾病、衰老等自身的原因。如：He died of a heart attack.他死于心脏病发作。他死于心脏病发作。die from“死于死于，因，因而死而死”，主，主要指事故等方面的外部原因。要指事故等方面的外部原因。如：如：Many villagers die every year from snake bites.每年都有许多村民被蛇咬死。每年都有许多村民被蛇咬死。1.I
10、f the snowstorm does not stop,the cattle will_(相继死掉相继死掉).2.A tiger _(以以为生为生)some small animals.3.The expedition(探险队探险队)_(出发出发)before sunrise.4.All students should r_ their teachers.5.Over a hundred s_ of insect are found in this area.I.Fill in the blanks.lives offstarted outespectdie offpecies6.Her grandfather has been d_(死死)for 20 years now.7.Many people d_(死死)in the accident.8.Lucy loves to watch _(蚂蚁蚂蚁)moving house.9.She was stung(蛰蛰)by a b _(蜜蜂蜜蜂).iedeadantseestart out live offdie off启程，出发；开始做启程，出发；开始做以以为食；以为食；以为生为生相继死去；灭绝相继死去；灭绝
