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Why does the copper discovered in a native tribe in New Guinea give rise to a problem Because ().

A．it will soon be mined
B．it will bring money for the tribe
C．it is too for mining
D．the mining of the copper will affect the tribe’s religion

单项选择题Approximately, how many laborers and artisans have worked on the project().

A．19.
B．50.
C．350.