是否有必要参加培训课程大学英语作文
itcanbeseen
from
thegraph
that
great
changes
have
taken
place
inthenumber
oftraining
classes
inthepast
fifteen
years.
ontheonehand,
before
the90s,
theincrease
ofthetraining
classes
wasnotsogreat.
ontheother
hand,
there
hasbeen
asharp
increase
inthetraining
classes
after
the90s.
what
arethereasons
forthechange?
there
arethree
reasons
forthis.
first,
with
thedevelopment
ofthesociety,
more
andmore
people
paymuch
attention
totheimprovement
oftheir
ability,
which
they
hope
toim ...


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