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听材料,回答90题
听材料,回答107题
听材料,回答93题
The first paragraph tells us that the author______.
A.was born to a naturalist's family
B.didn't like his brothers and sisters
C.lost his hearing when he was a child
D.was interested in flowers and insects in his childhood
According to the author, a born naturalist should first of all be______.
A.full of enthusiasm
B.full of ambition
C.knowledgeable
D.self-disciplined