. It can form big forests underwater.Most of you have eaten kelp (海带), right? But it is more than just a food. It can form big forests underwater.Kelp forests are found in cool and shallow (浅的) waters. All ……

without (没有) roots drift1. Some hold on to the sea floor. Giant kelp疯狂生长的海带Seaweed (海藻) is the main ocean plant. The most common2 is kelp (海带). Giant kelp can grow to over 60 meters. It’s one ……

drift2. Some hold on to the sea floor. Giant kelp 疯狂生长的海带Seaweed (海藻) is the main ocean plant. The most common3 is kelp (海带). It can grow to over 60 meters. It’s one of the world’s fastest growing plants ……

海底的森林
know anything about kelp? It is a kind of brownseaweed. It holds on to the rocks with its strong.... Some animals like living in the forest of giant kelp. They also like to eat kelp in the sea. Do you ……

, tropical fish are coming in and eating the kelp (海藻) forests. This is bad news for the local rock lobster (岩石龙虾) as it also feeds on kelp forests.Moving species can cause problems. As species move ……

with it. In Australia’s seas, kelp (海带) forests are being destroyed by tropical (热带的) fish that have come in to eat them, threatening the survival of rock lobster (岩石龙虾), which also feeds on kelp forests ……

Look, what a big fish! Here are some words about things under the sea. Can you find them in the “fish”?1. crab2. dolphin3. kelp (海带)4. ocean5. octopus6. seal7. shark8. shrimp (虾)9. snail10. tuna (金枪鱼) ……

a small thing left out in the sun.It’s so wonderful and gives us the power to have fun.What is it?3. I have streets but no pavement (地面).I have cities but no real buildings.I have forests but no trees.I ……

from us. As consumers, we have the power to help protect the world's ancient forests," said Ma... New Guinea and the Solomon Islands in the Pacific Ocean. But these forests are quickly disappearing ……

for millions.Deforestation(森林采伐)Forests, which have the power to change carbon dioxide into oxygen... of building materials and firewood. But almost all forests are under threat.Forest fires and lakes ……

, Mother Nature went on showing her power throughout 2005.From July to October, about seven typhoons... was just fighting back.It is we humans who burncoal(煤) and oil to makeelectricity(电) and power cars ……

protection of forests and grasslands. Forest chiefs have responsibilities in protecting forest...方案)，the overall scheme of things (全局)。Scheme也经常指“计划、安排”，相比plan，更强调计划的通盘筹划和某些细节的精心安排。断电power ……

result in less food for local speciesC. the kelp forests are dying out because of global warmingC. the kelp forests are dying out because of global warmingD. the environment in Australia is worse than ……

for millions.Deforestation (森林采伐)Forests, which have the power to change carbon dioxide into oxygen... of building materials and firewood. But almost all forests are under threat.Forest fires and lakes ……

for millions.Deforestation (森林采伐)Forests, which have the power to change carbon dioxide into oxygen... of building materials and firewood. But almost all forests are under threat.Forest fires and lakes ……