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

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单项选择题
Defied in the 5th paragraph probably means ()

A. doubted
B. gave proof to
C. challenged
D. agreed to
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
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