2017-2018学年人教版必修2 Unit3单元测试卷含答案解析 21．What is a symbol of Ireland? A. Emerald Isle. B. Shamrock. C. Harp. D. Flute. 22．It is said that when you find a shamrock with four leaves，you’ll be________. A. healthy B. happy C. lucky D. rich 23．Why is Ireland also called“Emerald Isle”？ A. Because the Irish like green very much. B. Because there’re many emeralds in the island. C. Because the island is covered with green plants. D. Because the Irish are green people. 答案： 21．解析：细节判断题。可以直接从文章找到答案。原文第一段“It’s not a rock，it’s a kind of green plant.It’s a symbol of Ireland.”体现答案。 答案：B 22．解析：细节判断题。原文第一段“Finding one with four leaves brings you good luck.”体现答案。 答案：C 23．解析：细节判断题。可用逻辑推断法来解。由原文第四段“When people think of Ireland，they think of green plants all over it.”可以推断出答案。 答案：C