It's a letter __________ Li Ming.[ ]
A. went
B. to
C. from
答案：C
Energy, passion and a burning desire are, you see, ________ true learning takes.
A．that
B．what
C．how
D．which
营养型混合性贫血
A．RBC大小不等，小的为多，中央苍白区大B．RBC较小呈球形C．RBC大小不等，大的为多，中央苍白区不明显D．RBC大小不等，可见异型、靶型和有核红细胞E．RBC大小不等，大红细胞苍白区明显
