【单选题】The landmark of ( ) is Nuorilang Watells with a drop of more than 20 meters.
【简答题】A.There are no rapids or watells. B.There is a constant, strong wind. C.Navigation is rather difficult. D.Frequent storms cause problems for riverboats.
【简答题】A.Them are no rapids or watells. B.There is a constant, strong wind. C.Navigation is rather difficult. D.Frequent storms cause problems for riverboats.
【判断题】“数学文化”中的文化指的是狭义上的“文化”,即文化就是知识,那么数学文化就是数学知识。()