1. The island is shaped like a _________(三角形).
2. His ____________裤子) were slightly short.
3. It was a brave decision to change _____________(方针) in the middle of the project.
4. The TV sex educational program is aimed at t _________, not adults.
5. Modern t ________ makes it possible for people to live longer than before.
6. The government is determined to _________(解决) inflation.
