【简答题】Jungle country is not friendly to man, but it is possible to survive there. You must have the right equipment and you must know a few important things about woodcraft. Then your chances of staying ali...
【单选题】There is no doubt about it: the Earth really is growing warmer. If you live in a city, that is, urban【C1】______ have known for years that swaths of asphalt and concrete tend to【C2】______ the summer he...