Modern (医学)is developing fast.As a result,many diseases can be prevented or cured.
We do believe that (知 识) is power.
We had a (讨论)about the differences between the two countries.
Many songs these days are about (现代的)life.
We must work hard to (改善)our lives.
The (勇敢的)mountain climber reached the top of Qomolangma.