1．In the past 20 years, our living conditions (条件) have been improved a lot.
2．There is always beautiful scenery in nature reserves (保护区)．
3．After years of struggle (奋斗), he had finally made a pile of money.
4．All his illegal income shall be confiscated (没收) according to the law.
5．There are lots of things to do with. Meanwhile (同时), you must rest as much as possible.
6．He did it in the knowledge that it might endanger (danger) his life.
7．The protection (protect) of the environment is one of the basic state policies of the Chinese government.
8．Security cameras have been installed to guard against poachers (poach)．
9．The plant is now in danger of extinction (extinct)．
10．I did not think him to be worthy (worth) of trust.
