中小学教育资源及组卷应用平台 Unit 4 Amazing Plants and Animals. 单元拔尖检测 一、完形填空 (10 分) In autumn, it gets cold. Some birds like wild geese (大雁)fly 1 for the winter, flying in a “V” formation (队形 ). 2 do they fly in a “V” formation Scientists find out that in this way, they can save energy. So they can fly more 3 . And the trip will be safer and easier because they are travelling with the help of one another. When a wild goose falls 4 formation, it won’t try to go alone but will quickly get back into formation. When the head wild goose gets tired, it 5 and another wild goose flies to the point. They just take turns to 6 . When a wild goose gets sick or is wounded (受伤的 ), two other wild geese fall down with it. They follow it down to 7 the wild goose and give it help. They stay with the fallen wild goose 8 it is able to fly or till it dies. If we learn from wild geese, we can stay in formation with people in the same direction (方向) 9 we are. If we humans have the 10 of a wild goose, we can stand by each other like that, and life will be more enjoyable. ( )1. A. east B. north C. south D. west ( )2. A. How B. Where C. When D. Why ( )3. A. slowly B. quietly C. happily D. easily ( )4. A. into B. out of C. along D. through ( )5. A. slows down B. flies faster C. sits down D. stands back ( )6. A. follow B. lead C. fly D. shout ( )7. A. protect B. kill C. invite D. count ( )8. A. when B. after C. while D. till ( )9. A. for B. with C. about D. as ( )10. A. meaning B. answer C. sense D. trouble 二、阅读理解 (15 分) A There is almost no water in the desert (沙漠 ), but many animals can live in it. How do these animals get water and stay alive Everything is hot and dry in the daytime, but the night is cold. Plants often have dew (露水)on them in the early morning. This is because cold air can’t hold as much water as hot air. Small insects can drink the dew, and bigger animals eat the plants with the dew on them. Some small animals get water from the bodies of insects. Bigger animals get water from the bodies of small animals. This North American bird is called a roadrunner (走鹃 ). It runs fast and catches small snakes, lizards and scorpions. Some animals can wait many years for water. When the rain falls, baby shrimps (虾)come out of their eggs. They grow quickly and lay new eggs. Then the water dries up, and the shrimps die. But the new eggs do not die. They wait in the ground for the next rain. They can wait for 50 years. Most big animals can’t live in the desert because they need a few litres (升)of water every day. They can’t keep water in their bodies for a long time. But camels are different. They can drink 90 litres of water in ten minutes, and then drink nothing for a week. ( )11. From the passage, we know that the desert is a place with _____ . A. no animals B. not much water C. no plants D. a lot of plants ( )12. Insects can drink _____ . A. when there is dew B. when the sun goes down C. when bigger animals eat D. when th ... ...
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