周末作业 (八)（作业课件）-【原创新课堂】2022-2023学年九年级英语全一册（人教新目标版）广东

原创新课堂 英语九年级全一册人教版 周末作业 (八) 一、完形填空。 Today we can see that many people are cutting down the trees in the forests.A lot of__1__lands have become deserts.If we read newspapers we'll learn that the forests on the earth are getting smaller__2__.We are cutting down large numbers of trees__3__we need wood and farmland.Some scientists say that there will not be any great forests__4__ 20 or 30 years. What will happen if the forests disappear A lot of plants will die and the animals will__5__their homes.In many places the new farmland will soon look__6__the desert.Crops will not grow there.There won't be enough__7__.and the weather will get hot and dry.If the climate of the earth changes,life will be__8__for everyone.Our living environment will become__9__.More and more rich farmland will disappear.We will suffer a lot from both droughts (and floods. It's our duty to__10__the forests well.Everyone should try his best to make a contribution(to taking care of the forests.Stop cutting down the trees and make the world greener! (B )1.A.low B.rich C.lonely D.wet B )2.A.on time B.all the time C.in time D.no time (C )3.A.or B.so C.because D.but (A )4.A.in B.at C.on D.with (C )5.A.find B.build C.lose D.discover (A )6.A.like B.up C.at D.out (D )7.A.snow B.sunshine C.wind D.rain (B )8.A.easy B.hard C.happy D.interesting B )9.A.better and better B.worse and worse C.bigger and bigger D.more and more (C )10.A.throw B.doubt C.protect D.waste 二、阅读理解。 What is the sky?How high is it?What color is it?What birds can live above it These questions are difficult to answer,aren't they?In fact,the sky has no color.Then why does the sky look blue? We know that there is air around the world.When planes fly.they need air to lift their wings.Planes can't fly very high.That is because the air gets thinner when they go higher.The same will happen to us if we go high enough.If we go up about 1,200 kilometers from the earth,we'll find no air there.Some birds can fly into the sky as high as a plane,but they