重庆市第八中学2024届高考适应性月考(三)英语x
2023-11-25 23:34:55
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1、2023-2024重庆市第八中学高考适应性月考(五)英语
26.What was the public initial reaction to VelcroRA.UncaringB.Highly critical.C.Positive.D.Fiercely divided.27.What is the text mainly about?A.A famous inventor.B.A remarkable creation.C.An unexpected discovery.D.An unforgettable experience.OIf you've ever driven across the United States of America,you have passed beneath thewings of a courageous songbird-smaller than your palm,light as your change pocket,feathered in bright blue and yellowish-brown-called the cliff swallow().Where otheranimals flee the human footprint,cliff swallows don't.They should properly be called thebridge swallow,for our steel spans have furnished it with more nesting sites.Once a bird ofthe western mountains,in the last century cliff swallows have spread onto the Great Plainsand across them,making their mud nests under bridges,works of birds'engineering no lessimpressive than our own.For the last four decades Brown has paid annual visits to more than two hundrednesting sites in Nebraska,trying to figure out what makes swallow societies success or fail."Ninety-eight percent of cliff swallows in western Nebraska,"Brown said,"are within fiftyfeet of a road."Near a road,of course,is the most dangerous place an animal can live.When Brownbegan studying swallows in the 1980s,he often picked up dead swallows on the roads,wingsbroken and heads crushed().However,Brown found swallow roadkill had beendecreasing.By 2011 it had dropped to four.Somehow swallows had become harder to kill.He found his answer.When he stretched a tape measure from the birds'shoulders to theiroutermost feathers,he found car-struck swallows had longer wings than the average bird hecaught in his nets.Brown immediately understood the significance.Traffic was weedingslower long-winged swallows from the population and favoring the quicker,short-wingedones--Darwinian selection in action."Centuries ago ..cliff swallows had existed largely beyond human influence;now theywere so involved in our world that our infrastructure(基a础设施)had influenced their DNA,”Brown said.Cliff swallows were rare winners of concrete and steel.Yet their success had英语试卷第6页(共12页)
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