(1) In managerial positions, there are more males than females.
(2) A greater percentage of men than women are found in managerial positions.
(3) A smaller percentage of women than men are employed in managerial positions.
(4) The percentage of men employed in managerial positions is much larger than women in these occupations.
(5) College students bought more fiction books than others.
(6) More urban dwellers have a water supply than rural dwellers.
(7) Fewer rural dwellers have a water supply than urban dwellers.
(8) In 1980, 30% of rural dwellers had drinking water compared with 50% in 1990.
(9) In 1980, 30 % of rural dwellers had drinking water, whereas in 1990 50 % had it.
(10) The students in class A are three times as many as those in class B.
(11) The profit doubled from May ω June.
(12) The profit increased three-fold from May to June.
(13) They made twice the profit in June than in March.
(14) They made three times the profit in June than in March.
责任编辑：sealion1986
