A．More and more people are applying for unemployment insurance.
B．Unemployment rate is not likely to rise quickly nowadays.
C．Losing jobs doesn’’t necessarily lead to unemployment.
D．Today’’s labor market is much too complicated than Coolidge’’s time.

A．Acquire information from satellites more efficiently.
B．To realize full coverage of area the satellite passes over.
C．Building more ground observation centers.
D．Compare satellites information with those from ground.