Question

 

15.( 2015 广东讪头金平模拟)         Australia is large in area,it is small in population.

   A. Because   B. Although

   C. Since   D. Unless

Answer 1

15.B句意:虽然澳大利亚面积大，但人口稀少。because因为；although尽管;since因为，自……以来：unless除非，如果不。故选B。