单项选择题
A. no more than a born naturalist B. a naturalist but not a scientist C. a scientist as well as a naturalist D. first of all a scientist
A. To see who was following him. B. To look at the man in the fun suit. C. To avoid the sunshine. D. To look at the underwear.
A. his common sense B. his sense of humour C. his sight D. his sixth sense