九年级 Unit 4 Topic 1 Section B 课件.pptVIP

Read 1a again and retell 1a with the key words. Key words : tell control use know important master advise make serve future Read and match ( ) A spacesuit is like a very small spaceship. It has everything the astronaut needs to live outside the craft, like a radio, oxygen, something to drink and special pockets. It becomes the astronaut’s own mini-world. ( ) There are many different kinds of food in a spaceship. Some are ready-to-eat and others are not. Astronauts add water to dried food to make it wet so that no pieces of food will fly around and influence the spaceship’s controls. ( ) On earth, we can look at the stars and planets through telescopes. They give us a clearer view of the planets in space. ( ) Astronauts are training on a special machine. It lifts them through the air, just as if they were moving in space. Read 2 again and answer the following questions. 1.What’s a spacesuit like? 2.How many different kinds of food are there in a spaceship? 3.How can we look at the stars and planets on the earth? 4.Where are astronauts training? 二、选择正确答案 ( )1.Please allow me ____myself to all of you. A. introduce B. to introduce C. introducing D. introduction ( )2.On Sunday, children are flying kites in the park. ____ are like animals, ____ are like birds. A. Some, some B. Some, the other C. One, the other D. Some, others ( )3. She is a hard-working student. She is always the first ___ to school. A. come B. comes C. to come D. came ( )4.The grammar books ___ again and again by bus. A. is read B. are read C. have read D. has read ( )5.My mother often makes me ____ hands before. A. wash B. washes C. washing D. washed Sum-up * * * * * * * * * * * Amazing Science Unit 4 Spaceships are mainly controlled by computers Topic 1 Sect