A.gravity
B.valuable
C.dangerous
D.companion

A．The imput of labor would be increased.
B．The unemployment rate would go up.
C．Those who have jobs would all become better off.
D．Women as a group would earn more than befor

A．urging their governments to control litter and waste
B．cutting down the use of oil and other oil products
C．reducing unnecessary buying, over-consumption and careless disposal of wastes
D．making anti-pollution advertisements