[单项选择]To some extent, the principle of secrecy has been ______.
A. maintained
B. held
C. observed
D. implemented

[单项选择]To some extent, the principle of secrecy has been ______
A. maintained
B. held
C. observed
D. implemented

[单项选择]It has been revealed that some government leaders ill-used their authority and position to get illegal money for themselves.


A. employ
B. take
C. abuse
D. overlook

[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]Free play has been introduced in some Japanese kindergartens in order to ______.

[单项选择]（　） some of her wild behavior has been inspired by those awful cartoons she watches.
A. Still better
B. Well still
C. Worst all
D. Worse yet

[单项选择]It has been revealed that some doctors have a history of abusing that trust for profit, ______ unnecessary and ineffective diet regimes to all comers.
A. delivering
B. ordering
C. advising
D. prescribing

[单项选择]Some of the advice has been（）as they are quite impracticable.
A. turned out
B. turned on
C. turned in
D. turned down

[单项选择]Some of the advice has been （） as they are quite impracticable.
A. turned out
B. turned on
C. turned in
D. turned down

[单项选择]______ some of her wild behavior has been inspired by those awful cartoons she watches.
A. Still better
B. Well still
C. Worst all
D. Worse yet

[单项选择]Some one has said that a man's history begins about one hundred and fifty years before his birth, or words ______.
A. in any case
B. to that effect
C. in a sense
D. to the contrary