[单项选择]IQ test has been used to ______.
A. show how to solve problems
B. show how clever a person is
C. tell people they are smart
D. tell schools how smart they are

[单项选择]The technique of frying food has been used since antiquity----to prepare meats, fish, vegetables, and breads.
A. to have most cultures
B. that in most cultures
C. in cultures when
D. in most cultures

[单项选择]The windmill, which has been used for hundreds of years to pump water and grind grains, ______ redesigned to pro duce electricity.
A. it is now being
B. it now can
C. is now being
D. now being

[单项选择]IQ test is origin ally used to_____.


A. find out the students who need extra help in learning
B. assign young people to different majors
C. select the acceptable recruits for army
D. select the leaders for society

[单项选择]Baroque has been the term used by art historians for almost a century to the dominant style of the period 1600～1750.
A. determine
B. designate
C. devise
D. depict

[单项选择]

Two main techniques have been used for training elephants, which we may call respectively the tough and the gentle. The former method simply consists of setting an elephant to work and beating him until he does what is expected of him. Apart from any moral considerations this is a stupid method of training, for it produces a resentful animal who at later stage may well turn into a man-killer. The gentle method requires more patience in the early stages, but produces a cheerful, good-tempered elephant who will give many years of loyal service.
The first essential in elephant training is it assigns to the animal a single mahout who will be entirely responsible for the job. Elephants like to have one master just as dogs do; and are capable of a considerable degree of personal auction. There are even stories of half trained elephant calves who have refused to feed and pained to death when by some unavoidable circum stance they have been deprived of their own trainer. Such ext
A. two techniques used for training elephants
B. the inhumane method used in training elephants
C. how to train the elephant
D. the bad relationship between human beings and elephants

[单项选择]Discards have been used by the Garbage Project to study ______.


A. the proportion of materials which break down within landfills
B. how much people eat and drink in their daily lives
C. the fluids that leak out of MSW landfills
D. how to compose the landfill wasters