A.you’ll gain friendship if you are ready to sacrifice
B.giving of yourself can secure you much happiness
C.money can make you happy if employed in a proper way
D.accepting things from others may not make us happy

A.An increasing number of people even begin to picture a space travel in recent years.
B.Poverty, hunger, disease and war are man’s greatest enemies and the world would be an infinitely better place if the powerful nations devoted half as much money and effort to these problems as they do to the space race.
C.The space race is not simply the objective search for knowledge though it is often made out to be.
D.On the other hand, people benefit dramatically from the development of science and technology.
E.This is hardly value for money when you think that our own earth can provide countless sights that are infinitely more exciting and spectacular.
F.We are often told that technological know-how, acquired in attempting to get us into orbit, will be utilized to make better on earth.
G.If a man deprived himself and his family of food in order to buy and run a car, we would consider him mad.