请列举出我国古代有一定影响的官府菜。
参考答案：孔府菜、谭家菜、随园菜、红楼菜。
—Who is the man ________ was talking to our English teacher?
—Oh! It’s Mr Baker, our math teacher.
A. which B. that C. whom
不是实验室常用于皮肤或普通实验器械的消毒液为（）
A．0.2%-1%漂白粉溶液
B．70%乙醇
C.2%碘酊
D.0.2%-0.5%的洗必泰
