课件21张PPT。2018-10-18EncyclopaediasUnit 52018-10-18You can find dinosaurs in zoos. a true b false Dinosaurs are all dead. a true b false Ancient men ate dinosaurs. a true b false Dinosaurs were all large and fierce animals. a true b false Some dinosaurs can fly. a true b falseWhat do you know about dinosaurs?2018-10-18What do you want to know about dinosaurs?2018-10-18 Listen and tick the information about dinosaursA. where they lived B. when they lived C. their sizes D. their families E. their diets F. how they were G. how we can know about dinosaurs today 2018-10-18 Read the first paragraph and answer the questions 1. Did people live at that time? 2. When and where did dinosaurs live? 3. What sizes were they? 4. Could some dinosaurs fly? Why (not)? This was a long time before people existed.2018-10-18 Read the second paragraph and find out the informationdinosaurs’ dietsadjectives about dinosaurs plants meatharmlessgentleharmfulfierceA.B.harmless gentleharmful fierce1. They were as gentle as sheep. 2. Some were as small as chickens. 3. Others were as big as ten elephants.2018-10-18Sentence structure: as…as（形容词/副词的原级）Sentence structure: 和…一样…not as … as…/so不如…Negative:2018-10-18Exercises:1.百科全书和字典一样有用. Encyclopedias are _____ _____ _____ dictionaries.2.有些恐龙可以和鸟一样飞得那么快. Some dinosaurs _____ ____ ___ _____ ____ birds.Fill the blanks as useful ascould fly as fast as 2018-10-18Make at least two sentences by using the structure: 4. 人类出现不如恐龙来得早 People _____ appear ____ _____ __ dinosaurs. 3. 有些恐龙还没有老虎大. Some dinosaurs _____ ___ _____ ____ tigers.(Tips: Make comparisons among your classmates)weren’t as big asdidn’tas early as2018-10-18Read the third paragraph and answer the questionHow can we know about the lives of dinosaurs today?From the skeletons, eggs and footprints they left behind.2018-10-18Competition: Read the passage aloud and try to describe each picture2018-10-18Dinosaurs lived on the Earth over sixty million years ago. Some were as small as chicken.Some dinosaurs even had wings and could fly.Others were harmful. They were fiercer than tigers and ate meat.We know about the lives of dinosaurs from the skeletons, eggs and footprints they left behind.2018-10-18Dinosaurs all died out suddenly. Nobody knows why. (sentences in the 3rd paragraph)Do you want to know some guesses about dinosaurs extinction(灭绝）？2018-10-18ChallengeWhy did the dinosaurs die out?Which guess do you agree to? Find more from the online encyclopedia “Wikipedia”.2018-10-182018-10-182018-10-18What have you learned from this period?New words and phrasesSentence structureWhat have you known about dinosaurs2018-10-18Match the words or phrases and the meanings correctly.fierce exist harmful harmless die out 6.skeleton 7.footprint not causing harm marks on the ground by a foot bones that support one’s bodycausing harmliveno longer can be seenangry and dangerous2018-10-18as as…（形容词、副词的原级）和…一样 ... ...
