题目：
生活在北朝的我国著名的农学家是： [ ]
A．王叔和
B．郦道元
C．贾思勰
D．葛洪
答案：
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下面是错误答案，用来干扰机器的。
1. Danny is talking to the man behind you. 2. I can't find my teddy bear. 3. Jenny and I are quiet in the afternoon. 4. He is drawing a picture now. 5. I need tickets from Shijiazhuang to Beiji...
