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素养综合训练十八 九年级全册Units 5—6
第一编 教材复习
一、语法与情景对话。
( )1.Paper is useful invention.It was invented around 2,000 years ago by Cai Lun.
A.a B.an
C./ D.the
A
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( )2.In difficult times,there are always national who step up and bring people hope.
A.heroes B.actors
C.rulers D.doctors
A
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( )3.Rainbows when sunlight passes through small drops of water in the sky.
A.produce B.produced
C.are produced D.were produced
C
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( )4.—Would you like to tell me something about Yuan Longping?
—He's called “father of hybrid rice” and he helped save China the world from hunger.
A.between;and B.either;or
C.neither;nor D.not only;but also
D
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( )5.—Kate,I'm going to a party tonight.Could you please tell me how I can order “Didi” online?
— .Wait a moment,please.
A.Take it easy B.You're welcome
C.With pleasure D.It doesn't matter
C
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About 2,500,000,000 people around the world haven't got clean water.This is a huge problem 2 dirty water can create illnesses.One of them is trachoma:8,000,000 people all over the world get trachoma every year.They wash their faces 3 dirty water,get ill and go blind.To stop trachoma,people don't have to receive expensive medical care.They 4 wash their faces with clean water.That's it.
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Ludwick started thinking.He wanted to make 5 to help people in parts of the world where it's difficult to find clean water.He did more research on the Internet,and he did more thinking.Ludwick had a plan.He wanted to make a gel(凝胶) for people to put on their skin,so they don't have to take a bath.When he was at university,he never stopped 6 his invention.He started to talk to other people about it,and three years 7 the dream came true.He made the gel and called 8 “Dry