题目

Both___     _ and ____   _ laughter do harm to your health. A.burst out crying;burst into             B.to burst out tears;to burst into C.bursting into tears; bursting into        D.bursting into crying;bursting out 答案：A成语、民间谚语中包含丰富的生活学知识．从成因上看，下列成语所体现的动物行为与“望梅止渴”不同的是（　　）A.鹦鹉学舌B.惊弓之鸟C.老马识途D.蜻蜓点水