启光教育 2023-2024学年度七年级第一学期期末学业质量监测(2024.1)英语(JJ)答案

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Raising young penguins is a challenge.The eggs are often laid in"homes"made of smallrocks to keep the eggs from the cold.One parent takes care of the home for long periods oftime,while the other parent hunts for food.The parent must often keep a sharp lookout.Birds called brown skuas attack the eggs and young penguins of careless parents.Otherpenguins in these crowded areas may take stones from the home,putting the young indanger.But it's hard to stay vigilant and protect a home 24 hours a day.Getting a goodnight's sleep could be deadly for the young.How do chinstrap penguins solve the problem?So a group of scientists began to study them.They recorded the birds on video.Eleven days of studying the penguins discovered that the tired parents were actuallysleeping.They take thousands of tiny naps()each day.Each nap lasts only about 4seconds.By taking over 10,000 naps a day,the scientists say the penguins get a dailytotal of about 11 hours of sleep.They do it 24/7 for several weeks at a time.They cankeep going and raise their young.It's not clear if the naps allow the penguins to actually feel rested,or if it's justenough to allow them to keep going.The scientists don't know yet if the penguins sleepthis way at other times of the year,or only when they're raising their young.They also don'tknow if other kinds of penguins have similar sleeping habits.28.What can be learnt about chinstrap penguins from paragraph 2?A.They live on land most of their time.B.They work together to raise the family.C.They are brown skuas'natural enemies.D.They put their kids in the water for safety.29.What does the underlined word"vigilant"in paragraph 2 mean?A.Warm.B.Careful.C.Brave.D.Hungry.30.What did the scientists find about chinstrap penguins'sleep?A.They get tired easily even if they sleep well.B.They always go to sleep with their eyes open.C.They sleep for so long that it affects their health.D.They sleep often and have a short sleep each time.31.What does the author think of the scientists'research result?A.It's doubtful.B.It's surprising.C.It's not complete.D.It's disappointing.DA team of students,known as Solar Team Eindhoven,in the Netherlands has designedand built a powerful car that's completely powered by the sun.Students at Eindhoven University of Technology have been working on solar-powered(cars for years.The car they've built is called Stella Terra,the first solar-powered car that can travel off-road for long distances.They designed the entire car.Ontop were the solar panels().Most solar panels are only about 20%efficient.That高一英语试题第5页（共10页）