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
The passage implies that the telegraph cable was built ...
单项选择题The passage implies that the telegraph cable was built mainly ()
A. for investigating the depths of the oceans B. for military purposes C. for business considerations D. for oceanographic studies
"Defied" in the 5th paragraph probably means ()A. doubt...
单项选择题"Defied" in the 5th paragraph probably means ()
A. doubted B. gave proof to C. challenged D. agreed to
According to the author, in order to stay young and att...
单项选择题According to the author, in order to stay young and attractive, women should ()
A. follow the fashion B. dress up in beautiful clothes C. do more exercises D. enrich their mind
