[单项选择]Steroids has been first used for the following medical purposes EXCEPT______.


A. alleviating pains
B. building up bodies
C. preventing conception
D. controlling inflammation

[单项选择]Steroids has been first used for the following medical purposes EXCEPT______.


A. alleviating pains
B. building up bodies
C. preventing conception
D. controlling inflammation

[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 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]She has been used ______ in the big city.
A. to live
B. live
C. to living

[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]Baroque has been the term used by art historian 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]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

[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. it is with other elephants
B. the mahout has established a good relationship with it
C. the animal is feeding normally
D. it needs to be controlled with a sharp pointed stick

[单项选择]It's the first time that he has been to Australia, （）
A. isn't he
B. hasn't he
C. isn't it
D. hasn't it

[单项选择]It's the first time that he has been to the United States, ______

[单项选择]Who first used umbrellas
A. Chinese
B. Romans
C. Creeks
D. Egyptians

[单项选择]Specifically equipped planes have been used ______.


A. to spread chemicals over the forest near Moscow airport
B. to spread chemicals over the planes to dear the fog around them
C. to spread chemicals over the fog lo help create "windows" in the fog for planes to land and take off
D. to spread chemicals over the runway at Moscow airport