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描述一段时间内数据变化的常用句型
Some common ways to describe
changes over a period of time
现象
/
情况
变得（不）普遍、常见
…
has become/became
less (and
less)
somewhat
relatively
fairly
increasingly
more (and more)
quite
common
frequent
rare
unusual
例句：
New
forms of the family unit have become increasingly
common.
Because of the high rates of
divorce and remarriage, stepfamilies have also
become quite
common.
情况出现了增加、减少和波动
一、
The number
of…
(has)
increased/rose
climbed/jumped/
rose/ soared
went up
(has)
decreased/fell/dr
opped
went down
(has) increased
sth
suddenly/rapidly/dramati
cally/substantially/con
siderably/signif
icantly/sharply/steeply
steadily/
gradually
slightly/ slowly/a little
by…%
by a
small/large amount
(from …)
to…
例句：
The
employment of married women has increased family
income significantly, but …
二、
there was
a(n)/there
has been a
(n)
sudden/rapid/dramatic/su
bstantial/considerable/sha
rp/steep
evident/ apparent/obvious
steady/gradual
slight/slow
slight
increase/rise
decrease/drop/r
eduction/declin
e
fluctuation
in the
number
of…
from…
to …
例句：
Recently in the United
States, there has been a tremendous increase in
the number of
married women who work
outside the home
—
from 32
percent in 1960 to 62 percent in 1998.
With
increased
divorce,
there
has
been
a
huge
rise
in
the
number
of
children
growing
up
in
households
with just one parent.
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