The author says that he is a naturalist rather than a scientist probably because he thinks he _____
A. just reads about other people’s observations and discoveries
B. comes up with solutions in most natural ways
C. has a great deal of trouble doing mental arithmetic
D. lacks some of the qualities required of scientist
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Without my glasses I can hardly __ what has been written in the letter.
A. make for B. make up C. make out D. make over
某市财政收入2003年比l998年增长了72.6％，则该市1998年至2003年财政收入的平均增长速度为（）。
A enter B get C leave D reach
Delaying the age at which screening starts may________.
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