酵母菌有氧时进行(),无氧时进行()作用。
参考答案:有氧呼吸;发酵
—Good morning.I've got an appointment with Miss Smith in the Personnel Department.
—Ah,good morning.You ________ be Mrs.Peters.(2010·北京)
A.might
B.must
C.would
D.can
干润淋溶土特征