Unit 4 Amazing Science Topic 1 When was it invented?Section D同步练习（原卷+解析版）

中小学教育资源及组卷应用平台 Unit 4 Amazing science Topic 1 When was it invented? Section D 一、单项选择. 1. The police can your easily by GPS, if you are using the cellphone. A. find; place B. find out; position C. discover; office D. look at; city 2. Our parents can do anything for us we make achievements in our study. A. as well as B. as far as C. as long as D. as often as 3. GPS has finding out our position and studying the shape of the earth. A. used to B. be used to C. been used to D. been used for 4. People in the past used stars guiding marks. A.by B. of C. to D. as 5. There were six blind men. They lived together, quarrelling all the days. A. Ago B. Before C. Long ago D. Before long 6.We find it _____ to do some reading every day. A.easily B.enjoy C.helpful D.interested 7.—When will his new novel _____? —Sorry. I don’t know. A.come in B.come from C.come out D.come back 8.The report shows we have dreamed _____ exploring space for thousands of years. A.in B.on C.of D.to 9. He didn’t pass the exam because he _____by his teacher at all in the past. A.encouraged B.wasn’t encouraged C.isn’t encouraged D.weren’t encouraged 10.It’s _____ that Edison invented more than two thousand things in his life. A.said B.marked C.listed D.told 二、用方框中所给的词填空. man-made, explorer, exploring, system, mark An is such a person who travels to make discoveries in the forests, mountains, under the sea, and in space etc. I’ve put a on the map where the thieves may be hiding. The earth is one of planets in solar . satellites move around the earth just like a small planet. Scientists are the outer space now. 三、完成句子. 1. The stars are considered _____ _____ _____ (好的导向标) . _____ _____ _____ methods(剩下的) have been tried as well. We can use the star _____ _____ _____ where we are (找出我们在哪儿) . We were taking _____ _____ _____ _____ (往相同的方向). 5. GPS has solved the problems in the past few years.(把此句变成被动语态) 四、完形填空。 The computer is a very wonderful machine today, and it’s so 1 that it seems that we 2 live or work without it. Computers are used in many 3 , such as offices, factories, big shops, schools and even homes. With the computer people are living a better 4 . The computer is one of the greatest inventions in the 20th century. The first computer 5 in America in 1946 which was named ENIAC, and it was not only very 6 , but also quite heavy. It was as big as ten ordinary (普通的) rooms! But the computer is developing very fast. Today they’re becoming smaller and smaller, lighter and lighter, and 7 faster and faster. There are so many kinds of different computers in the market that you can choose one that you like best. The computer can do a lot of things for people, and it also helps us to learn about the real world. With the computer you can 8 an e-mail just in a few seconds to your friend far away, but if you post the letter, it will take your friend quite a long time to receive your 9 . Now you can see the co ... ...