Different kinds of situations require different types of speeches.

______ keep(s) introducing different kinds of food, which is changing Americans taste.

A．The government

B．The dietitians

C．Television

D．Young people

The author's experiments with different kinds of animals seem to prove that ______.

A．man and other animals have some similarities

B．man is the cruelest among animals

C．man is superior to other animals in some aspects

D．man is inferior to other animals in certain aspects

Which statement best expresses the main idea of the article？

A．Many different kinds of medicine come from tropical forests.

B．Virtually all of the world' s rain forest has already been destroyed.

C．Tropical forests are disappearing at an alarming rate.

D．Tropical deforestation affects people in all parts of the globe.

The author's mention of broomsticks and telephones is meant to suggest that ______.

A) fairy stories are still being made up

B) there is confusion about different kinds of truth

C) people try to modernise old fairy stories

D) there is more concern for children' s fears nowadays

A、common understanding

B、awareness

C、knowledge

D、consciousness

A.common understanding

B.awareness

C.knowledge

D.consciousness

B.one should preserve this keenness of ling.

C.one ought to have a taste of the multitudinous flavors of different kinds of food

D.one should starve it.

A．Y

B．N

C．NG

The author's experiments with different kinds of animals seem to prove that______.

A．man is the highest animal

B．man is superior to animals

C．man is the lowest animal

D．man is inferior to animals in certain respect

A．Right

B．Wrong

C．Not mentioned