1. Man is beginning to realize the importance of environment protection. 2. There are many problems concerning environment at the present: destruction of forests, air pollution, water pollution, etc. 3. Man must protect the natural environment.

A. About $40 billion.
B. About $4 billion.
C. About, 10% of the total value.
D. Much more than $4 billion.

A. It is difficult to establish new laws in France.
B. How the non-smoking law was established
C. Non-smoking law is another American trend.
D. France finally accepts smoking ban.