29.
A. in the act of
B. on the point of
C. at the expense of
D. for the sake of
正确答案是
30.
A. nutrition
B. nullity
C. nuisance
D. nuance
正确答案是
31.
A. thesis
B. object
C. target
D. objective
正确答案是
32.
A. common
B. average
C. ordinary
D. popular
正确答案是
33.
A. based on
B. basing on
C. being based on
D. having based on
正确答案是
34.
A. act
B. action
C. demonstration
D. performance
正确答案是