单项选择题

The author can’t remember his relatives clearly because ______.

A．he didn't live very long with them
B．he was fully occupied with observing nature
C．the family was extremely large
D．he was too young when he lived with them

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热门试题

单项选择题It can be inferred from the passage that the author was ______.

A．first of all a scientist
B．a naturalist but not a scientist
C．no more than a born naturalist
D．a scientist as well as a naturalist

单项选择题According to the author, a born naturalist should first of all be ______.

A．full of ambition
B．self-disciplined
C．full of enthusiasm
D．knowledgeable