The best title for this passage is _______

A.people need sugar to give them energy

B.sugar is bad for the health

C.the use of sugar is habit forming

D.sugar only sweetens food, but provides us with nothing useful

A.they are fed on food which is little better than garbage

B.they live in very crowded condition

C.the eggs they lay lack vitamins

D.they are allowed to move about and eat freely

A.has had chemicals and fertilizers added to it

B.contains vegetable matter that has not been consumed

C.has been nourished by fertilizers

D.already contains large quantities of vitamins and minerals

A.they are more health conscious

B.they want to taste all kinds of foods

C.natural foods are more delicious than processed foods

D.they want to return to nature

A.Fire can help people in many ways.　　B.Fire can be both helpful and dangerous.

C.Fire can burn things and people.　　D.We must be careful with matches.

A.will die 　　B.will warm our houses

C.might burn us 　　D.won' t help us

A.must be careful　　B.should keep air away from it

C.must know it is dangerous　　D.should cover it with water

A.matches burn paper 　　B.it isn' t interesting

C.they can be dangerous 　　D.they can burn a house

A.Not everybody knows how people began to use fire.

B.Nobody knows how to make a fire.

C.It is an Australian who started a fire.

D.We are not sure how people began to use fire.

A.can say the television is a need in the same sense as food and clothing and shelter

B.can say the television must be in the basic necessities

C.cannot say the television is in the basic necessities

D.can say every family must have one