九上英语课文翻译九年级下册英语配套练习册答案2018

九上英语课文翻译九年级下册英语配套练习册答案2018 Unit 9 when was it invented ? Section A 一： 1. invented 2.invention 3.adjustable 4.heat 5.slippers 二： 15 CBCCC 三： 1. What, used for 2. Who , invented 3. is , cleaned 4.must be repaired 5. to see Section B 一： 1.notice 2. salty 3.produced 4. remain 5.pleasant 二: 2.too thin 2.by aident 3.Aording to, was discovered 4. by mistake 5.in this way ,in the end 6.fell into 三: 15:AADCD 610:BDBDC 1112 :AC 四: for, on, Who , think, are, inwentions, is , most Self Check and Reading 一: 1.century 2.knock 3.below 4.wooden 5.towards 6. developing 7.divided 8.active 9.aim 10.create 二: 1.helpful 2.invention 3.salt 4.the most popular 5.safety 6.wood 三: 1.It is believed 2.named 3. to learn 4.was sent 5.was handed in 6.Was ,cleaned 7.found him 8.When was, invented 四: 15:BADBA 610:CADAB 五: 15:ABCAC 6.He grew vegetables in his garden and sold them.With the money he set up a chemical lab. 7.Yes.Because he was awarded 1368 separate and distinct patents during his lifetime. 8.February 11th,1847 9.October 18th ,1931 10.America 11.Built a lab 12. 1368 13. His first patented invention was an electrical vote recorder in 1868. 14. 18761877,invented the phonograph. 15.19001910, invented and perfected and steel alkaline storage battery. Unit10 By the time I got outside ,the bus had already left Section A 一： 1.lock 2.verslept 3.rush 4.relative 5.broke 二： 1. had left 2.had left 3.to e 4.had cooked 5.doesnt rain 6.had had 7. finishing 8.had learnt 三: 15:CBBAB 四: 1.walking, on time 2.been late for ,came ,close 3.go off ,overslept 4.broke down 5.ran off Section B 一 : 1.exhausted 2.costume 3.ending 4.thrilled 5.empty 6.reveal 7.panic 8.describe 9.fooled 10.married 二： 15CABBD