W: I’ll get to Cairo at 7:00 p.m. New York time. What time is it in Cairo
M: Let me see, it is 7 hours later in Cairo.

What time is it in Cairo()

单项选择题The passage mainly discusses about ().

A．how Cultural Survival, Inc. helped a tribe to solve the problem of copper mining
B．why local cultures should be saved
C．the work of Cultural Survival, Inc
D．the difficulties in saving local cultures

单项选择题The proposal to lay a telegraph cable from Europe to America made oceanographic studies take on a (n) ().

A．academic aspect
B．military aspect
C．business aspect
D．international aspect