[单项选择]For some time now, ______ has been presumed not to exist: the cynical conviction that everybody has an angle is considered wisdom.
A. rationality
B. flexibility
C. disinterestedness
D. insincerity

[单项选择]For some time now, ______ has been presumed not to exist: the cynical conviction that everybody has an angle is considered wisdom.
A. rationality
B. flexibility
C. disinterestedness
D. insincerity

[单项选择]

Passage Four For some time past it has been widely accepted that babies and other creatures learn to do things because certain acts lead to" rewards"; and there is no reason to doubt that this is true. But it used also to be widely believed that effective rewards, at least in the early stages, had to be directly related to such basic physiological "drives" as thirst or hunger. In other words, a baby would learn if he got food or drink or some sort of physical comfort, not otherwise. It is now clear that this is not so. Babies will learn to behave in ways that produce results in the world with no reward except the successful outcome. Papousek began his studies by using milk in the normal way to "reward" the babies and so teach them to carry out some simple movements, such as turning the head to one side or the other. Then he noticed that a baby who had had enough to drink would refuse the milk but would still go on making the learned response w
A. have the lights turned on
B. be rewarded with milk
C. please their parents
D. be praised

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

[单项选择]Williamsburg has now been restored so that it looks as it ______ during the 18th century.
A. could
B. would
C. was
D. did

[单项选择] Up to now, the work has been easy.
A. So
B. So long
C. So that
D. So far

[单项选择]Colorado now has told participants in the prepaid tuition plan that ______.
A. they would not have to make any other payment later
B. they would not be guaranteed against further payment
C. the plan would cover further tuition increases
D. the plan would be replaced by a guaranteed investment contract

[单项选择]This is the first time that a woman has been______to the post.
A. granted
B. praised
C. pointed
D. appointed

[单项选择]Hill has never been on time,______

[单项选择]Big Ben has been ______ the quarter hours now for more than a century.
A. striking out
B. chiming
C. giving out
D. hitting

[单项选择]There is no rush now, for the game has been ______.
A. taken off
B. made out
C. called off
D. switched

[单项选择]Mrs. White has a hard time because she has six children ______.
A. look after
B. to be looked after
C. to look after
D. looking after

[单项选择]{{U}}Up to now{{/U}}, the work has been easy.
A. So
B. So long
C. So that
D. So far