[单项选择]There has been some ______ of entry into American schools to Chinese students.
A. limit
B. restriction
C. confine
D. imprisonment

[单项选择]There has been some ______ of entry into American schools to Chinese students.
A. limit
B. restriction
C. confine
D. imprisonment

[单项选择]There has been some _________of entry into American schools to Chinese students.
A. limit
B. restriction
C. confine
D. imprisonment

[单项选择]Overproduced corn in American farms has been converted to ______.
A. feed cattle, pigs and poultry
B. manufacture automobile components
C. make artificial beef, pork, and chicken
D. become high-fructose low fat products

[单项选择]

Passage Two
American has long been considered the land of opportunity by those from other countries. Americans, too, believe that the United States provides almost limifiess opportunity for those who want to open businesses on their own.
Today, Americans are still fond of trying their hand at becoming small business people, even though only one out of two survives the first two years. Many of these people start their businesses for the wrong reasons: to get away from the paper work of their present jobs or to exchange the responsibility of their present jobs for freer life styles. But more, not less, paper work and responsibility come with ownership of a small business. John Shuttleworth, owner of the recently successful life-ecology news magazine Mother Earth, reports having had to work sixty hours straight in order to bring out the first issue.
John Shuttleworth waited years after conceiving the idea for Mother Earth before he attempted to put out
A. continuously
B. honestly
C. alone
D. not curved

[单项选择](No wonder) that (man's) great dream has been someday to control the weather. The first step toward control is knowledge, and scientists have been (hard at work) for years trying to (keep track for) the weather.

[单项选择]In addition, a method of entry has been _______ by which legal training is obtained after entry.
A. installed
B. equipped
C. formatted
D. devised

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

[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]

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 makin
A. the lights were directly related to some basic "drives"
B. the sight of the lights was interesting
C. they need not turn back to watch the lights
D. they succeeded in "switching on" the lights