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

The author says that he is a naturalist rather than a scientist probably because he thinks he ______.

A．has a great deal of trouble doing mental arithmetic
B．comes up with solutions in a most natural way
C．lacks some of the qualities required of a scientist
D．just reads about other people’s observations and discoveries

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