To be a successful speaker, it is essential for you to know why you are speaking and w
1、A、targets
B、purposes
C、tasks
D、aspects
2、A、area
B、field
C、research
D、occupation
3、A、unknown
B、dealing
C、agreeing
D、unfamiliar
4、A、collect
B、accumulate
C、invest
D、account
5、A、important
B、necessary
C、appropriate
D、central
6、A、performance
B、presentation
C、exhibition
D、proposal
7、A、However
B、Furthermore
C、Even though
D、Therefore
8、A、failure
B、collapse
C、fulfillment
D、mistake
9、A、point
B、object
C、aim
D、goal
10、A、narrow
B、confined
C、spacious
D、broad