题目

When the mother heard that her son had been admitted to a famous university, a smile spread   her face. A. across                        B. through                     C. beyond                      D. over 答案：A　　分布在赤道附近，终年高温少雨的气候类型是 [　　] 　　A．热带雨林气候B．热带沙漠气候 　　C．热带季风气候D．热带草原气候