石家庄编辑 2022-06-10 17:40
D1种核心句型：主(The number of...)+谓(increased/decreased)+ from...to...
The number of male smokers decreased from 21% in 1960 to 17% in 2000.
The number increased dramatically and then peaked at 400 in 1990.
The number plummeted,reaching the bottom at 100 in1998.
The average income of the staff increased by 50 percent compared with last year.
The number of marriages remained stable at this level over the next decade.
During this 25-year period the consumption of beef and lamb fell dramatically to approximately 100 grams and 55 grams respectively.
In the first quarter of this year Apple witnessed an increase of 30 per cent in net profit.
Similarly,the cost of insurance saw a rising trend,growing from only 2% to 8% by 2001.
In contrast,the cost of furniture showed an opposite trend.
第二种核心句型
第二种核心句型：There be 句型
There was a downward trend of male smokers,from 21% in 1960 to 17% in 2000.
There was a sharp increase in computer use in all categories.
There was a steadily increasing tendency of personal computers in households in the US.
There was a minor fluctuation between 1930 and 1950 in India.
第三种核心句型
第三种核心句型：主语+accounted for+百分数+of...
Male smokers accounted for 21% of American adults in 1960.
Males accounted for 10% ofthe whole workforce.
Coal provided 40.2% of whole in 1970.
Students made up nearly 20% of the group.
Food constituted over 23% of my family's expense.