[单项选择]The director often says it is difficult to design a program that will meet the ______needs of all our users.
A. diverse
B. distinctive
C. distinct
D. distinguished

[单项选择]The director often says it is difficult to design a program that will meet the ______needs of all our users.
A. diverse
B. distinctive
C. distinct
D. distinguished

[单项选择]She often says her greatest happinessconsists in helping the disadvantaged children.
A. is proportionate to
B. is composed of
C. lies in
D. relies on

[填空题]The teacher often says that we should do what we can to help those (fortune)______people around us.

[填空题]Our teacher often says ______. (知识的重要性再怎么强调也不过分)

[单项选择]I find it difficult to believe what he says______he never tells me the truth.
A. so B. as C. though D. while

[填空题]Martina says that native speaker students often continue talking even if non-native speaker students, like her, ______.

[填空题]It is often difficult to decide who really deserves the credit for (invent) ______ a new device.

[单项选择]It is often difficult for visitors to understand Americans’ lack of desire for privacy. They are not a nation of walled gardens and closed gates. Their yards normally run into one another without fences；they often visit one another’s homes without being invited or telephoning first; they leave their office doors open while they work.
Their lack of desire for privacy probably results from their history as a nation. America is a big country. There have never been walled cities in the United States, nor was there the need for Americans to protect themselves from neighboring states. During the early years, America had so few settlers that neighbors were very important; they were not to be shut out by doors and fences. Neighbors offered protection and helped in the hard work of settling the land. They depended upon each other.
From the nation’s early history has come the desire for openness rather than privacy. Visitors will notice this desire in a number of small ways; there may
A. People walled their yards with fences.
B. The settlers in early years needed their neighbors’ help very much.
C. People get used to American openness.
D. It is difficult to follow the American way of lif

[填空题]Users with IAD often find it difficult to get along in their work.

[单项选择]It is often difficult for a man to be quite sure what tax he 9ught to pay to the government be-cause it depends on so many different things: whether the man is married; how many children he has; whether he supports any relations; how much he earns; how much interest he receives; how much he has spent on his house during the year, and so on and so forth. All this makes it difficult to decide exactly how much the tax is.
There was a certain artist who was always very careful to pay the proper amount.
One year, after posting his check as usual, he began to wonder if he had paid enough, and after a lot of work, with a pencil and paper, he decided that he had not. He believed that he owed the government something.
He was just writing another check to send to the tax-collector when the postman dropped a letter into the box at the front door. Opening it, the artist was surprised to find inside it a check for five pounds from the tax-collector. The official explained that too mu