The chief reason for the population growth isn’t so much a rise in birth rates as a fall in death rates as a result of improvements in medical care.
(2)no/not any more…than…两者一样都不……The heart is no more intelligent than the stomach, for they are both controlled by the brain.
There is no reason they should limit how much www.med126.com vitamin you take, any more than they can limit how much water you drink.
(3)no /not any less…than…两者一样都……She is no less beautiful than her sister.
(4)just as…so….正如……，……也……(用倒装结构)Just as the soil is a part of the earth, so is the atmosphere.
