宋代海上往来大多是三、四月间从日本驶往中国的江浙沿海,五、六月间从江浙沿海驶向日本。这样选择航行时间主要是为了利用季风。()
查看答案
What a noble medium the English language is. It is not possible to write a page without
扣件在螺栓拧紧扭力矩达到65N2m时,不得发生破坏。()
Question : Mr. President, I’m sure millions of Chinese people are watching this program