A.Concerning
B.Ascertaining
C.Assuming
D.Regarding
2.Don't get discouraged by setbacks. We are new to the work ___.
A.at all
B.above all
C.after all
D.in all
3.This is a full ___ of his political beliefs.
A.expedition
B.expertise
C.expenditure
D.exposition
4.The most ___ students were also the most successful.
A.enthusiastic
B.frantic
C.thrilled
D.exhilarated
5.The ___ of the two ideas contributed to the development of this theory.
A.absorption
B.transition
C.consumption
D.interaction