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高中语文课本
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A______uncounted generations,trillions______trillions of coral polyps have
______(live)and died,______(leave)behind a material called limestone.Prized throughout history,limestone______(be)ud to construct the Great Pyramids of Egypt,as well______many churches and castles.Yet the greatest limestone structures in the world are______(build)underwater,______the coral polyps themlves.We call them reefs.They can be even larger______scale than the most impressive buildings and structures made by humans.
愿意造句A Variety of Life
小手牵大手手抄报B Indeed,a______(live)coral reef is remarkable,a“city beneath the a”filled______a rich______(vary)of life.Most coral reefs can be______(find)in warm,shallow oceans.They occupy just a small part of the ocean floor,but host25percent of all ocean life.
C Coral reefs display nature’s most brilliant colors.Each reef is full of colorful fish as ______as coral that form wonderful patterns.In addition______their beauty,the reefs are an important food source for
fish,and for humans.In______,reef fish make ______a significant percentage of the global fish catch.
Threats to Coral Reefs
咽炎吃什么药最好效果
红高粱影评D Various human activities can cau great harm______the world’s coral reefs.For example,reefs can be damaged when the coral is taken for u in______(build) materials,jewelry-making,or______fill aquariums.
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E Illegal fishing methods like blast and cyanide fishing also harm the reefs.The methods can help fishermen get a good catch,but their negative effects______the reefs are significant.Blast fishing involves______(t)off bombs in the water to kill ______many fish as possible.This kills most living things nearby and caus damage to the reef’s structure.
F In cyanide fishing,fishermen relea liquid cyanide—a very dangerous and
______(dead)chemical—into the reef.As a______,the fish become stunned,______ makes them easy to collect.Meanwhile,the reef is damaged by the cyanide,which kills large numbers of coral polyps.The reef is also damaged by the fishermen who break______apart______(look)for the stunn
ed fish.
宠物救助
G Another threat is water pollution.When floods in Australia covered the Great Barrier Reef with dirty freshwater,the quality of the water changed and chemicals killed the reef life.This is happening______many reefs around the world.
H In addition,global warming has______(cau)many reefs______become sick. Warmer temperatures have turned them white,in a process known______coral bleaching.A2018UN Report predicted that up______99percent of the world’s coral reefs may decline______global warming continues.
Reasons for Hope什么都可以歌词
I The threats to coral reefs are very rious,but there is reason to hope that they will survive.If we take______(step)toward coral reef conrvation,it is______(like) that the tiny creatures—which survived natural threats for millions of years—will______able to rebuild.As conrvationist Robert Richmond says,“______(Give)a chance,they can come back.”
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