By when, is Ms. Naomi Lewis asked to respond to the letter?
A. By September 16
By October 3
C. By October 7
D. By October 10
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取粉末置白纸上,用火隔纸烘烤则熔化,但无扩散的油迹,对光照视呈鲜艳的血红色,以火燃烧则产生呛鼻
There is hardly a generalization that can be made about people' s social behavior. and the
A. accepted... praised
B. intuited... exposed
C. harangued... retracted
D. challenged... dismissed