本文的体裁是？（）
A.掌故笔记
B.记人散文
C.记旧散文
D.报告文学
参考答案：A
218. I _____ you the exciting news, but you were not at home.
A.meaned telling B. meaned to tell C. meant telling D meant to tell
横波传播方向和质点振动方向（）
A.垂直
B.一致
C.锐角相交
D.钝角相交
