The dates of the three main events in life are usually remembered because

A.celebrate the three main events in life, but in different ways

B.are not affected by these three events

C.celebrate these three events in exactly the same way

D.are the same

A.the characteristics of American newspapers

B.the development of American newspapers

C.the functions of American newspapers

D.the merits and shortcomings of American newspapers

A.a machine for printing B.the business of printing

C.great force D.newspapers

A.supporting extremist groups from time to time

B.inviting middle-of-the-road Americans to write articles for them

C.avoiding carrying articles about extremists

D.printing articles representing different political viewpoints

A.they have to keep up a good relation with them

B.they have to compete with television

C.they have to write about crime, sex and rumor

D.they have to give factual news in an interesting way

A.Britain than in the USA B.France than in Britain

C.the USA than in Britain or France D.France than in the USA or Britain

A.one tenth B.one millionth

C.all that comes from the surface of the sun D.a very small portion

A.stored up by the plants

B.absorbed by the earth’s atmosphere

C.stored up by the animals in the form of body fat

D.used for electric power

A.rain B.teal C.water D.light

A.plants B.water C.rock D.creatures