2018--2018学年人教版选修八Unit 2 Cloning Language points课时作业 (4)
2018--2018学年人教版选修八Unit 2 Cloning Language points课时作业 (4)第3页

8.A.suggestion B.approval

9.A.otherwise B.moreover

C.however D.therefore

10.A.changed B.tore C.opened D.returned

11.A.mastered B.corrected

C.taught D.identified

12.A.relieved B.grateful

C.relaxed D.sick

13.A.carelessly B.eagerly

C.vaguely D.slowly

14.A.published B.accepted

C.finished D.studied

15.A.mind B.list C.question D.sight

16.A.remember B.enter

C.expect D.organize

17.A.plans B.winners

C.participants D.names

18.A.curious B.anxious

C.thrilled D.enthusiastic

19.A.conclusion B.reaction

C.recommendation D.description

20.A.lesson B.meaning C.skill D.result

Ⅱ.阅读理解

  Humans have sewn by hand for thousands of years.It was said that the first thread was made from animal muscle and sinew(肌腱).And the earliest needles were made from bones.Since those early days,many people have been involved in the process of developing a machine that could do the same thing more quickly and with greater efficiency.

  Charles Wiesenthal,who was born in Germany,designed and received a patent on a double­pointed needle that eliminated the need to turn the needle around with each stitch(缝合) in England in 1755.Other inventors of that time tried to develop a functional sewing machine,but each design had at least one serious imperfection.

  Frenchman Barthelemy Thimonnier finally engineered a machine that really worked.However,he was nearly killed by a group of angry tailors when they burned down his garment factory.They feared that they would lose their jobs to the machine.

American inventor Elias Howe,born on July 9,1819,was awarded a patent for a method of sewing that used thread from two different sources.Howe's machine had a needle with an eye at