九年级下册英语课堂练习册答案

九年级下册英语课堂练习册答案

　　Unit 9 when was it invented ?

　　Section A

　　一： 1. invented 2.invention 3.adjustable 4.heat 5.slippers 二： 1~5 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 accident 3.According to, was discovered 4. by mistake 5.in this way ,in the end 6.fell into

　　三： 1~5：AADCD 6~10：BDBDC 11~12 ：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： 1~5：BADBA 6~10：CADAB

　　五： 1~5：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. 1876~1877,invented the phonograph.

　　15.1900~1910, 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 come 4.had cooked 5.doesn’t rain 6.had had 7. finishing 8.had learnt

　　三： 1~5：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： 1~5CABBD 6~10BAACD

　　三： 1.set off 2.get married 3.invited ,to watch 4.showed up 5.as much ,as 6.stay up 7.happened to 8.Hundreds of 9.so ,that

　　四： 1~5：BEDCA

　　Self Check and Reading

　　一： 1.met,hadn’t seen 2.crying 3.to go 4.have learnt/learned 5.will be showed /shown

　　二： 1.too,to 2.as much as possible 3.had seen 4.has he 5.weren’t allowed

　　三： 1~5 CBCCD 6~10 BABDC

　　四： 1~5 TFFTF 6~10 CDBAC

　　Unit 11 could you please tell me where the restrooms are?

　　Section A

　　一： 1.shampoo 2.fresh 3.restrooms 4.department 5.escalator

　　二： 1.in the middle of 2.across from 3. In front of 4.between 5.past

　　三： 1~6 CBCDCD

　　四： 1.to get to 2.if/whether there is 3.when,leaves 4.where,is 5.to talk,they went 6.Take ,to ,Go past ,next t to

　　五： Excuse me , Sure, second , How , escalator/elevator, turn , past , between , and

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