Unit 3 Electricity 单元讲义 2023-2024学年牛津上海版（试用本）八年级英语下册

Unit 3 Electricity 单元讲义 2023-2024学年牛津上海版（试用本）八年级英语下册 I. Phrases 动词词组：1. be careful with sth 2. be connected to sth 3. buy sth in packets 4. change sth into sth 5. flow through a wire 6. get sb sth = get sth for sb 7. look adj(eg.foolish) 8. make electricity 9. refer to sth 10. scratch one’s head 11. think of 名词词组：1. a light bulb 2. a power station 3. a packet of 4. heat/movement/light/sound energy 5. thin wires 介词词组：1. in a way = partly 2. on one’s face II. Sentence Patterns 1. Can sb do sth? May sb do sth? Sb must (not) do sth. --Must sb do sth? --Yes, sb must./ No, sb needn’t. 2. Sb believe/know/think/tell/wonder/ask + 宾语从句 3. If it doesn’t rain tomorrow, We will go for a picnic. He wonders if/whether it will rain tomorrow Grammar: Modal verbs:can/could之间的区别 ,must/need ,may提问的回答，should,ought to疑问句及否定回答 ，may be /maybe之间的区别 提升训练 一、单项选择 1．“________ does your English teacher look like?” “He is tall and handsome.” A．Which B．Why C．Who D．What 2．To protect the environment, some scientists want to ________ deserts ________ forests. A．change; into B．take; to C．provide; for D．connect; to 3．He lacks the courage to speak in public. So all his friends encourage him ________ part in the speaking competition. A．take B．taking C．to take D．took 4．—________ your American friend eat with chopsticks? —Yes, but he can’t use them well. A．Can B．Should C．Must D．Shall 5．When you leave the reading room, don’t leave the lights on—you should ________. A．switch on them B．switch them off C．switch them on D．switch off them 6．We met a heavy rain and a strong wind, but arrived home safely ________. A．at once B．at last C．at least D．at first 7．Why are you staying up so late playing computer games again? Stop being so ________! A．funny B．foolish C．serious D．clever 8．—Is that man Mr Green? —It ________ be him. He has gone to Paris on business. A．may B．must C．can’t D．shouldn’t 9．You 　　　 look at the traffic light