Humans have made the world less friendly to birds in many ways.One obvious example of this can be found in metal spikes（尖刺），or anti-bird spikes in buildings to prevent birds from landing and even nesting.However，a handful of birds have struck back.
Auke-Florian Hiemstra，a biologist researching animal architecture at the NaturalisBiodiversity Center in Leiden，Netherlands，studies how wild animals use materials made by humans.He has seen nests that include some unusual materials things like plastic flowers and sunglasses.But he was surprised when seeing a picture of a magpie（喜鵲） nest，the top of which had anti-bird spikes.
Researchers had learned that the smart species，magpies and crows（烏鴉），were stealing anti-bird spikes as a nest-building material.The two species appeared to use the anti-bird spikes in slightly different ways.For the crows，the spikes seemed purely structural，a material used to fashion a solid foundation.But for the magpies，there was an additional layer of intention：They appeared to use the spikes like humans do rounded covering over their nests to keep other birds from landing.
One recent study reported that nests with man-made materials have been found all over the world and that the man-made materials include all kinds of man-made materials，including knitting needles，candy wrappers，spiky wires，and cigarette ends.Although magpies and crows haven't been documented doing this，other birds have.Scientists aren't sure if birds are using artificial materials because they're better，or simply because they're easy to find.What is noteworthy is that human-made materials in bird nests can cause injuries.For example，anti-bird netting，often placed over garden plots，is known to be dangerous for birds，which often end up being entangled in it.
For Hiemstra，while the new discoveries are fascinating，he also highlights a broader issue；the unfortunate popularity of anti-bird spikes."It's kind of sad to keep fighting against nature instead of accepting it as part of the city，"he said.
（1）Why was Hiemstra surprised when seeing the photo of a magpie nest？ AA
A.The magpie nest was equipped with metal spikes.
B.Magpies and crows are as intelligent as humans.
C.Magpies and crows cooperated to build the nests.
D.A magpie decorated its nest with plastic flowers.
（2）How do magpies and cows differ from each other in using anti-bird spikes？ BB
A.Crows use them for fashion.
B.Magpies use them for defence.
C.Crows use them to keep off other species.
D.Magpies use them to strengthen the nests.
（3）What does the underline word"entangled"in paragraph 4 mean？ DD
A.Discovered.
B.Frightened.
C.Released.
D.Trapped.
（4）What does Hiemstra intend to do in the last paragraph？ CC
A.Support birds' using man-made materials.
B.Accept anti-bird spikes as part of the city.
C.Disapprove of humans' using anti-bird spikes.
D.Stress the popularity of anti-bird spikes in birds.
【答案】A；B；D；C
【解答】
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發(fā)布：2024/10/12 10:0:1組卷：3引用：3難度：0.5
相似題
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D．It suggests that the local people are well educated.發(fā)布：2025/1/6 16:30:6組卷：0引用：1難度：0.5 -
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D．Man can't live without natural areas.發(fā)布：2025/1/6 16:30:6組卷：0引用：1難度：0.5 -
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D．Unbelievable.發(fā)布：2025/1/6 15:30:8組卷：0引用：1難度：0.5