13.This _______________(advertise)is written for people who want to develop stamp

collection as a hobby.

advertisement

11.Scientists have found some evidence of the _______________(exist)of the

“animal”.

existence

10.Now he is Britain’s only ___________________(profession)monster-hunter.

professional

9.The ________________(compare)made between the memory capacity of a large

computer and that of a human being shows that the memory capacity of a teenager’s

should be full made use of.

comparison

8.The whole passage implies that only human beings have problem-solving_______________(intelligent).

intelligence

7.Memory exists not only in humans and animals but also in some _____________(physics)objects and machines.

physical

6.Memory includes not only “remembering” things like arithmetic or ________________(history)facts, but also involves any change in the way an animal typically behaves.

historical

5. A little knowledge is a __________________(danger) thing.

dangerous

3.She _______________(firm)believes that there should always be a wider audience for any good book whatever its main market is.

firmly

2.The demand for natural resources is becoming an__________________(increase) serious problem for the future of mankind.

increasingly