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Many of us enjoy watching animals in the world. But do you know they can teach us?
Geese (雁), for example, teach a very good lesson about __16___. In the fall, geese fly to the warm south to __17__ the cold winter. They lift off in no order. Yet _____18_____ they form a V shape, with one bird leading the group.
This V shape allows geese to ___19__ energy. When the front bird moves its wings up and down, the resulting force of the air lifts the next one. This continues down the line. The bird ___20___ has the hardest job. When it gets ___21__, it moves behind, and another bird moves into the lead. By sharing the role, the group can travel great distances. Geese flying in a V shape can fly 70 percent farther without ___22__ than birds flying alone.
During the long flying journey, geese communicate with one another. They honk (鸣叫) to ___23___ the birds to keep up the speed. They also cheer each other up ___24__ working towards a common goal.
What have we learned from the lovely geese’s experience and skills? __25___ together! Whether it is in our personal lives or our jobs, we need other people. We need the spirit of teamwork!
A
bored
B
tired
C
happy
D
noisy
正确答案 :B
解析
句意“当它累了的时候,它移动到后面,另一只大雁移到前头。”
A项:bored“无聊的”;B项:tired“劳累的”;C项:happy“高兴的”;D项:noisy“嘈杂的”。根据“it moves behind, and another bird moves into the lead”可知,开头的那只大雁飞累了就移到后面,其他的大雁再顶上排头的位置,故本题答案为B。
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