广州初一下学期英语Unit3综合卷 第一部分 语法选择（共15小题；每小题1分，满分15分） Trees are important. They can provide animals 1 homes. Lots of things,like paper and pencils, are made 2 trees. However,they can give 3 these only if they are alive. They must be taken good care of to keep 4 . Therefore,people spend much time and money 5 trees. It is found that the tree would grow best in a climate with 6 sunlight and rainfall, and little sunlight or rainfall would 7 the growth of a tree. The change from a favorable to an unfavorable climate 8be decided by reading the pattern of rings in a tree trunk. You should count the rings of a tree trunk 9 the outside to the inside. If 10 tenth ring is far from the other rings, then itis certain that there is lots of sunlight and rainfall. If the rings are 11 to each other, then the climate is bad. Study like this is not only for the history of weather, 12 for the history of human beings. You can find only sand now in one place of New Mexico. However, there were 13 people who used to live there.They 14 suddenly. Why A group of scientists studied patterns of dead tree rings which once grew there,and they found that people went away because they had destroyed all the trees 15 and build houses. 1.A.to B.with C.in D.of 2.A.in B.from C.out D.with 3.A.our B.ours C.we D.us 4.A.healthily B.unhealthy C.healthy D.health 5.A.study B.to study C.on studying D.studying 6.A.many B.few C.a few D.plenty of 7.A.to stop B.stopped C.stopping D.stop 8.A.should B.mnust C.would D.can 9.A.from B.between C.since D.as 10.A.an B.the C./ D.a 11.A.close-. B.closing C.closed D.closely 12.A.so B.and C.but also D.or 13.A.millions B.million of C.million D.millions of 14.A.are leaving B.leave C.will leave D.left 15.A.burning B.burn C.to burn D.to burning 第二部分 完形填空（共10小题；每小题1分，满分10分） Plants grow everywhere. From the tiniest（最小的）flower in a crack（缝隙）of the sidewalk to the towering trees（参天大树） in a deep forest， plants play a huge role s of things, in our lives. Most plants grow best in spring and summer 16 the weather is 3 these warm and there is a lot of 17 . It is like a life-giving drink for plants. When Theretore, autumn comes, plants grow 18 . Some may even die before winter 19 .In would grow autumn,their 20 turn yellow and fall off. With no Icaves, plants lose less infall would 21 .:limatc 8inl the rings far from the the rings are r the history sand now in used to live ems of dead because they Each plant has its oun habitat（生活环境）．They 22 a certain temperature．sunlight and humidity level （湿度）． When their habitat is destroyed．they 23 die．Nowadays, human activities cause much pollution. This is 24 to the growth of plants. For example， the greenhouse effect（温室效应）and acid rain（酸雨）are destroying the Amazon Forest. Lots of plants have died. The extinction（灭绝）of many plants is telling us to 25 _ against pollution. A.if B.because C. when D. until A. wind B.snow C. cloud D.rain A. tal ... ...
~~ 您好，已阅读到文档的结尾了 ~~
