Ireland is called the Emerald Isle because of（ ）.
A、its rich green countryside
B、its rich emerald stones
C、its surrounding blue sea
D、its numerous islands
【正确答案】：A
【题目解析】：本题考查爱尔兰地理。Ireland is also called the Emerald Isle because of its rich green countryside.爱尔兰又称“绿宝石岛“””由于全岛被一片苍翠碧绿的林木所覆盖，故有“绿宝石岛”的美称。