A．People shed more than any other animal indoors.
B．People do not keep their room tidy.
C．People’s skin flakes are small enough to float in the air and pollute the indoor air.
D．The furniture people buy is in bad quality.

A．more Israeli troops were sent to combat the Arabian militants
B．Israel closed both the Gaza Strip and West Bank
C．thousands of Arabian workers lost their jobs
D．many Palestinians were driven out of their homeland