人教版九年级英语Unit13 We're trying to save the earth单元测试题（含答案）

九年级英语人教版Unit13单元测试题 一、单项选择 1．The price of the product _____ $50 during the sale, which attracted many customers. A．fell by B．fell to C．fell out D．fell through 2．After catching the fish, Tom decided to _____ it _____ into the river. A．throw...away B．throw...back C．throw...off D．throw...up 3．—You are too busy on weekends. You need to relax yourself, Dave! —You are right! I have to _____ a few of my activities. A．cut off B．cut down C．cut up D．cut out 4．Something is wrong with my car. It needs _____. A．repair B．to repair C．repairing D．to be repair 5．Look! The factory is sending out smoke. The government should do something to stop it. A．nice B．harmful C．valuable D．serious 6．—_____ volunteers will be needed for the event. —Let’s go and _____ them. A．Thousands of; join B．Thousand of; be a member of C．Three thousand; take part in D．Thousand of; be in 7．—What do you think of the sports car —I really like it, but I can’t _____ it. A．refuse B．stand C．pay D．afford 8．—What a nice computer! How much did you on it —It me 400 dollars. A．take; paid B．cost; took C．pay; spent D．spend; cost 二、完形填空 What does the word ecology (生态) mean It was 9 by Ernst Haeckel, a German biologist. It means “the study of the house.” The “house” is our 10 , Earth. Earth is home for all living things—humans, animals, plants, and even tiny microbes (微生物). An ecologist is a scientist who studies the 11 between organisms (生物) and their environment. The environment is an organism’s surroundings. It may 12 water, gases, rocks, and temperature. An ecologist once asked a boy 13 he thought about protecting the environment. The boy said, “You go into the forest and look for somebody who wants to cut down a tree. You stop him and tell him how 14 trees are. They are good for natural beauty, saving soil, and giving shelter to birds and other animals.” “Good answer,” said the ecologist, “ 15 it may not be easy to find a woodcutter to talk to. Also, remember that sometimes it’s 16 to cut down a tree. If we cut down too many trees, the forest will disappear. If we don’t cut down any trees, we won’t get any resources from the forest. We have to find the right 17 .” The boy agreed, “We need the forest’s 18 for wood and paper or we might not have desks or notebooks for school.” “Exactly—and school is a good place to learn about ecology,” added the ecologist. “Then you will know how to protect the natural environment.” 9．A．proved B．invented C．marked D．accepted 10．A．planet B．building C．project D．surface 11．A．feeling B．relationships C．distance D．competitions 12．A．pollute B．control C．include D．reduce 13．A．who B．whose C．why D．what 14．A．wild B．common C．wealthy D．important 15．A．but B．and C．so D．or 16．A．comfortable B．tiring C．impossible D．necessary 17．A．mystery B．temperature C．balance D．symbol 18．A．soil B．resources C．landscape D．wildlife 三、任务型阅读 Planti ... ...