17.There are thousands of coral reefs(珊瑚礁) in the world; Unfortunately,however,they are now in serious danger.More than one-third are in such bad shape that they could die within ten years.(36)BHere are the three main causes discovered.The first cause is pollution on land.The pollutan...
There are thousands of coral reefs(珊瑚礁) in the world; Unfortunately, however, they are now in serious danger. More than one-third are in such bad shape that they could die within ten years.(1) ___ Here are the three main causes discovered. The first cause is pollution on land. ...
Coral reefs (珊瑚礁) are among the most productive ecosystems in the world. They’re also in serious danger——climate change and other threats are killing them off. But researchers have come up with an invention they think could help the reefs: 3D-printed corals. At the heart of reef eco...
7.There are thousands of coral reefs(珊瑚礁) in the world.Unfortunately,however,they are now in serious danger.More than one-third are in such bad shape that they could die within ten years.(16)BHere are the three main causes discovered.The first cause is pollution on land.The pollutants...
阅读理解BCoral reefs(珊瑚礁) are found in warm sea water all around the world. They are home tosome sea plants and animals. They help to keep the sea clean and protect coastline(海岸线)from storms and erosion(侵蚀),too.Millions of people around the world live on or near coral reefs as...
The Great Barrier Reef(暗礁) is the largest coral(珊瑚) reef in the world.It is off the coast of Queensland,in north-eastern Australia.The Great Barrier Reef is not just one reef.It is almost 3,000 reefs and islands. The reef is a beautiful place.Some people describe it as an under...
camelsB. the sunsetC. fish and sea animals7. It would be fun toA. look for sharksB. eat the reefC. swim in the water8. It might be a good idea to takeA. a warm coatB. a towelC. a mapWhat is causing trouble on the reefs of the world?9. Pollution has made the waterA....
阅读理解 Coral reefs (珊瑚礁) are among the most productive ecosystems in the world. They're also in serious danger—climate change and other threats are killing them off. But researchers have come up with an invention they think could help the reefs: 3D-printed corals. ...
Since coral spawning happens between October and November, the best time to visit the reef is between June and December. 2. Raja Ampat, Indonesia One of the richest and most diverse coral reefs in the world, the Raja Ampat or ‘The Four Kings’ reef, is made of 450 different species of...
She was one of the lead writers of the report. She says more than 275 million people are dependent on the resources from coral reefs, mostly in Southeast Asia and the Indian Ocean.The report noted overfishing and climate change as two of the most serious threats to the world's oceans....