豪焦小体是（） A.由脂蛋白变性而来 B.由胞质内残留的RNA变性而来 C.脂肪变性

对空气进行等温加湿处理后，含湿量上升，焓值不变（）。

A.焓值上升、相对湿度下降

B.焓值不变、相对湿度上升

C.焓值下降、相对湿度下降

D.焓值上升、相对湿度上升

It was only when I saw him the second time ______ how handsome he was. [      ]

A. that did I notice

B. until I noticed

C. did I notice

D. that I noticed

               cups of tea and                bananas do we need?      [ ]

A. How much; how many        

B. How many; how much        

C. How many; how many        

D. How much; how much

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