-
1
.表示原因
1
)
There are three
reasons for this
.
2
)
The reasons for
this are as follows
.
3
)
We have good
reason to believe that
.
.
.
4) There are
several causes for this significant growth
in...
,
firstly
.... secondly...
,
last but
not least (finally)...
5) There are
many (different/several) reasons for this change
(decrease/growth) of... F
or one
thing
,
...For
another
,
....
,
In
addition
,
...
6).
The chief reason why...is that...
2
.表示好处
1
)
It has the
following advantages
.
2
)
It benefits us
quite a lot
.
3
)
It is of great
benefit to us
.
例
如
:
Books are like
friends
.
They can help us
know the world better
,
and
they can open our minds and widen our horizons
.
Therefore
,
reading extensively is of great benefit to
us
.
3
.表示坏处
1
)
It has more
disadvantages than
advantages
.
例
如
:
However
,
everything divides into
two
.
Television can also be
harmful to us
.
It can do harm
to
our health and make us lazy if we
spend too much time watching
television
.
4
.表示重要、必要、困难、方便、可能
1
)
It is important
(
necessary
,
difficult
,
convenient
,
possible
)
for
sb
.
to do
sth
.
2
)
We think it
necessary to do sth
.
3
)
It plays an
important role in our life
.
例
如
:
Com
puters are now being used
everywhere
,
whether in the
government
,
in schools or in
business
.
Soon
,
computers will be found in every home
,
too
.
We
have good reason to say that computers are playing
an increasingly importan
t role in our
life and we have stepped into the Computer
Age
.
5
.表示措施
1
)
We should take
some effective measures
.
2
)
We should try
our best to overcome
(
conquer
)
the
difficulties
.
3
)
We should do
our utmost in doing sth
.
4
)
We should solve
the problems that we are confronted
(
faced
)
with
.
例
如
:
The
housing problem that we are confronted with is
becoming more and more serious
.
< br>Therefore
,
we must take
some effective measures to solve
it
.
6
.表示变化
1
)
Some changes
have taken place in the past five
years
.
2
)
A great change
will certainly be produced in the
world
’
s
communications
.
3
)
The computer
has brought about many changes in
education
.
例
如
:
Some changes have
taken place in people
’
s diet
in the past five years
.
The
major reasons for these changes are not far to see
k
.
Nowadays
,
more and more people are switching from grain
to meat for protein
,
and from
fruit and vegetable to milk for
vitamins
.
7
.表示事实、现状
1
)
We cannot
ignore the fact that
.
.
.
2
)
No one can deny
the fact that
.
.
.<
/p>
3
)
There is no
denying the fact that
.
.
.
4
)
This is a
phenomenon that many people are interested
in
.
5
)
However
,
that
’
s not the
case
.
例
如
:
We
cannot ignore the fact that industrialization
brings with it the problems of
pollutio
n
.
To
solve these problems
,
we can
start by educating the public about the hazards
of pollution
.
The
government on its part should also design stricter
laws to promote a
cleaner
environment
.
8
.表示比较
1
)
Compared with A
,
B
.
.
p>
.
2
)
I prefer to
read rather than watch TV
.
3
)
There is a
striking contrast between
them
.
例如:
Compared with
cars
,
bicycles have several
advantages besides being
affordable
.
Firstly
,
they do not consume natural resources of petroleum
.
Secondly
,
they do not cause the pollution
problem
.
Last but not
least
,
they contribute to
people
’
s health by giving
them due physical exercise
.
9
.表示数量
1
)
It has increase
d
(
decreased
)
from
.
.
.
to
.
.
.
2
)
The
population in this city has now increased
< br>(
decreased
)
to
800
,
000
.
3
)
The output
of July in this factory increased by
15
%
compared with that of
January
.
4). It
has increased by three times as compared with that
of 1998
5). There is an increase of
20% in total this year.
6). It would
be expected to increase 5 times.
7).
The table shows a three times increase over that
of last year.
8). It was decreased
twice than that of the year 1996.
9).
The total number was lowered by 10%.
10). Compared with
1997
,
it fell from 15 to 10
percent.
11). The number is 5 times as
much as that of 1995.
例
如
:
With the improvement of the
living standard
,
the
proportion of people
’
s
income spent on food has decreased while that
spent on education has
increased
.
再
如
:
From the graph
listed above
,
it can be seen
that student use of computers has increased from
an average of less than
two hours per
week in 1990 to 20 hours in
2000
。
10
.表示看法
1
)
People have
(
take
,
adop
t
,
assume
)
< br>different attitudes towards sth
.
2
)
People have
different opinions on this
problem
.
3
)
People take
different views of
(
on
)
the
question
.
4)Some
people believe that
.
.
.
Others argue that
.
.
.
5). In
my opinion
,
this point of
view doe
sn’t
hold water.
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