1. Numerous attempts have been made to hide the truth.
A) Many
B) Successful
C) Effective
D) Unsuccessful
2. It is obvious that there is difference in the way they view the matter.
A) natural
B) certain
C) inevitable
D) clear
3. It is odd that so little is known about the talented painter.
A) surprising
B) unreasonable
C) strange
D) unbelievable
4. Everyone in the class participated in the farewell party.
A) contributed to
B) took pleasure inwww.examｗ.com
C) took part in
D) enjoyed
5. Since ancient times people have found various ways to preserve meat.
A) carve
B) cook
C) freeze
D) keep
答案：ADCCD