1．The old man possesses (拥有) a large quantity of money.
2．He succeeded at the expense (代价) of his health.
3．This exercise will strengthen (加强) your body.
4．His grandfather died in the war of liberation (解放)．
5．Your medical records are strictly confidential (秘密的)．
Ⅱ.选词填空
1．The little factory brings noise pollution on the nearby villagers.
2．Sort out the papers and fasten them with a clip.
3．Her grandfather joined up when he was 17 years old.
4．We have to look into the cause of the accident.
5．Police roped off the street to investigate the accident.
