北宋瓦舍表演中，最能体现市民口味的表演形式是（）
A.说话
B.武术
C.皮影
D.傀儡
E.杂剧
参考答案：A, E
Mary sits _________ the classroom and I sit _________ her.
A．in the front of, in the front of
B．in front of, in front of
C．in the front of, in front of
D．in front of, in the front of
临床上最常见的心律失常是_______＿，其次是_________＿。
