单词:
单词: 相关文章
19.You make another fire. After about two hours you hear the delicopter again. This time it sees the smoke and lands on the snow near you. 19.你重新生起一堆火。大概过了两个小时,你又听到直升机的声音。这次,飞机上的人
Study: Rats Pose Plague Risk in Croplands Efforts to boost food production in East Africa may increase the risk of plague. A new study says the conversion of natural lands into croplands in Tanzania has been accompanied by a large increase in the rod
Pre-Listening Vocabulary accustomed to: used to tirelessly: without tiring; for long hours surge barrier: man-made protection built to keep the sea from flooding onto the land valve: a device that opens and shuts; changes the direction of fluid Nethe
Drylands Vulnerable to Climate Change Researchers warn that the worlds drylands are being severely affected by climate change. They say that could harm the livelihoods and food security for billions of people. Scientists describe the projected effect
DAVID GREENE, HOST: One of the very first moves by the new Republican Congress was to make it easier to transfer ownership of federal public lands in the West over to states. And the state of Wyoming has become a flashpoint in this debate. Lawmakers
By Gilbert da Costa Abuja 16 October 2006 An international campaign to draw attention to the huge agricultural potential of the Sahel drylands of Africa is gaining ground, with a recent workshop in Niamey, the capital of Niger. The campaign seeks to