完形填空The world of out-of-doors is full of secrets. And they are so interesting that quite a lot of people are busy studying them. All around us are birds, animals, trees and flowers. The facts about how they 1and grow are as interesting as anything could be. Do you know that one of the greatest presidents of the USA spent hours and hours 2birds? A businessman who lives near New York city became so 3 in insects that he began to collect them. He now has more than one thousand different kinds carefully4 in glass boxes. Come then with me, and I will help you find some of nature’s secrets. Let us go 5through the woods and fields. Here we shall find how a rabbit tells the other rabbits that there is danger. We shall 6 a mother bear and her young ones as they look for 7and get ready for winter sleep. We shall watch bees dancing in the air to let other bees know 8they can find food. I will show you many other interesting things, but the thing that I can 9you is to keep your eyes and ears 10when you go out of doors. Nature tells her secrets only to people who look and listen carefully.1.A.bearB.liveC.speakD.fly2.A.studyingB.eatingC.learningD.finding3.A.friendlyB.carefullyC.busyD.interested4.A.lockedB.keptC.putD.filled5.A.nearB.quicklyC.quietlyD.politely6.A.hearB.followC.catchD.help7.A.foodB.fruitC.vegetablesD.water8.A.howB.whyC.whereD.when9.A.makeB.passC.giveD.teach10.A.closedB.openC.safeD.clean
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BADBC BACDB解析1.根据上文内容The world of out-of-doors is full of secrets. And they are so interesting that quite a lot of people are busy studying them. All around us are birds, animals, trees and flowers.可知