口语英语

2018年商务英语初级口语测试：森林慢慢消亡Meltwater flows down from the glaciers.And on the lower slopes,all this water supports thick jungle.....remnants of the dense,steamy forests t...

2018年商务英语初级口语测试：循环大自然They’re over 60 centimetres long,already big enough to be a threat to the smaller inhabitants of the forest.But they are themselves vulnerable....

2018年商务英语初级口语测试：树木间的战斗She uses special tools, one after another,to get all the honey she can,and in a few minutes,she destroys what took the bees years to build.In ...

2018年商务英语初级口语测试：红河猪A mob of red river hogs.They have travelled over two miles through the thick undergrowthto get to this fall of fruit.But in the African forest, little ...

2018年商务英语初级口语测试：暴力地区Dawn, and a new day reveals just how much controlthe jungle has over its own environment.The forests of the Congo are the lungs of Africa.As they us...

2018年商务英语初级口语测试：蝌蚪如何长成And a white-bellied female responds.They join together to mate.The loser will have to wait for the next storm before he sings again.She lays h...

2018年商务英语初级口语测试：幸福鸟家庭He might be a poor nest-builder,but he is redeeming himself now.Domestic bliss!Rocky overhangs are the only placewherePicathartes will build thei...

2018年商务英语初级口语测试：幼鸥的生存挑战The lower mandible of their beaks is greatly elongated.They slice it through the surface of the water at ten metres a second.If and when it...

2018年商务英语初级口语测试：刚果星球The Congo rainforest.A four-day journey to the heart of Africa.Once the plane leaves, you’re on your own.This expedition planned to filmtwo of the...

2018年商务英语初级口语测试：丛林象The only way to get deep into the jungleis to follow these trails.Trails made by dangerous forest elephants.The first thing you need to know about the ...