香圆枳实的药材顶端花柱残基周围一隆起的环圈称为（）
A.槟榔碴
B.槟榔纹
C.铁线纹
D.金钱环
E.齿轮纹
参考答案：D
“想当年，金戈铁马，气吞万里如虎。”这几句词见于辛弃疾的词作（）。
A、《永遇乐》“京口北固亭怀古”
B、、《水龙吟》“登建康赏心亭”
C、《南乡子》“登京口北固亭有怀”
D、《摸鱼儿》“更能消几番风雨”
Gun control is a subject ______ Americans have argued for a long time.[ ]
A. of which
B. with which
C. about which
D. into which
