表示比较的常用句型

句型1

X is mach (a great deal, a lot ,considerably, somewhat, a bit , a little, slightly, hardly , scarcely, only just) smaller (bigger , cheaper) than Y

句型2

X is exactly (precisely, just, practically, more or less, almost, nearly, approximately, about)the same as Y

句型3
       X is quite (completely, entirely, totally) different from Y

句型4
       X is not quite as/so big (expensive, interesting etc.) as Y

句型5
       X and Y are different in every way (respect )

句型6
       X and Y have a little (something ,much,etc,) in common

句型7
       one of the differences between X and Y is that…

表示因果的句型

句型1

The cause of/ reason for higher prices was an increase in demand.

句型2

The / one effect/consequence/ result of an increase in demand is higher prices.

句型3

The demand has increased. Therefore / so / as a result / accordingly / consequently / because of this / thus / hence / for this reason / now the prices are higher.

句型4

because /as /since / now that the demand has increased, the prices are higher.

句型5

An increase in demand often causes / results in / leads to / produces higher prices.

句型6

Higher prices are caused by / due to an increase in demand

句型7

The prices are higher because of / as a result of / on account of / owing to / through /because /since/as there is an increase in demand.

句型8

When /If there is an increase in demand, (then) prices rise.

其他句型：

句型1

A number of/The majority of/A lot of/A few/most/A minority of students are /were able to obtain all their course books from the libraries.

句型2

During the period 1874-1974 / From 1874 to 1974 /Since 1874 /For a hundred years/From 1874 to1974, …

句型3