【正文】 l? happened next? … Showing time This is not just a story. In fact, dolphins do save people’s lives like that. There are also many dangerous things in the sea, so be careful when you go swimming. Dolphins—— amazing animals Dolphins are amazing animals. They are usually blue .They are good at swimming. Some dolphins can live up to 50 years .They live in large groups and eat fish . They have to go to sleep 8 hours a day. Dolphins are mammals(哺乳動(dòng)物） . They have warm blood and drink their mother’s milk . They also have to go to the surface(水面） to breathe . Dolphins can stay under water for 15 minutes ,and can swim as deep as 260 meters below the surface. The fastest dolphins can swim up to 32km every hour. Dolphins live in groups and sing or whistle(發(fā)出哨音） to each other .They are clever and friendly . Let’s learn more about dolphins 閱讀完后完成下面表格 。 ? (B) is standing in front of (A). ? (A) is standing behind (B). ? (C) is standing next to (B). ? (D) is standing between (B) and (E). ? (E) is standing next to (D). ? (F) is standing opposite (B). 1. Children get gifts ____ Christmas and ____ their birthdays. 3. A lot of students in our school were born ____ March, 1981. 4. He suddenly returned____ a rainy night 5. My grandfather was born ____ Oct. 10, 1935. 6. The train is starting ___ five minutes. 7. Mike does his exercises ____ seven _____ the evening. 8. The population of the world has grown very fast ___the past four hundred years. Exercise on on in on on in at in in 1. Jack, is maths difficult to learn in high school? Sure. No subject can be learned well _____ hard work. A. without B. through C. by D. with 2. There were only two paintings for sale and he bought_____. A. all B. any C. both D. some 【 練習(xí) 】 單項(xiàng)選擇 A C 3． _____ the help of my teacher, I made great progress in my maths. A. Under B. In C. With D. Of 4. –Let me help you to carry the box. No. thanks. I can do it by______. A. me B. my C. mine D. myself 5. The child ______for being late for class. A. excused B. apologized C. pardoned D. fave C D B 6. I’ m sure you know the difference______ “ look for “ and “ find” A. form B. for C .to D. between 7. Which of the twin sisters is a doctor? _____are. A. All B. Both C. Either D. Neither 8. What do you ______ your hometown? Very beautiful. A. look at B. talk about C. think of D. think over D B C 9. My father has a habit of jogging _____ the Jinchuan River for an hour in the morning. A. between B. along C. over D. through 11. Don’ t jump to a conclusion! Let’ s _____the problem first. A. to discuss B. discuss C. discussed D. discussing. 12. Would you please show me ____ it? A. doing B. to do C. what to do D. how to do B B D Our life is wonderful ? We sit in the same classroom. ? You sit in front of me. ? I sit behind you. ? You sit on the right, i sit on the left. ? You live next to me. ? I live biside you. ? You sleep above my bed. ? I sleep below your bed. ? We live together. ? We love each other. Unit 3 Our animal friends More practice A friendly dolphin What do you think of sharks and dolphins? Sharks are dangerous .Dolphins are helpful and friendly. Where do dolphins live? Do you like dolphins? Why? Do you think a dolphin is friendly? Do you think a dolphin is helpful? Discussion 讀前小活動(dòng) ；對著 ，動(dòng)物 5.（魚的）鰭 ，救助 ，恐懼的 dolphin 找出重點(diǎn)單詞 (P40) towards fin scared suddenly creature save past huge shark 小組 PK 讀前小活動(dòng) …旁邊 ……就 找出重點(diǎn)詞組 (P40) in the sea begin to swim