[单项选择]Our business has been slack ( ) three months.
A. in
B. on
C. over
D. for

[单项选择]Our business has been slack ______ three months.
A. in
B. within
C. over
D. for

[单项选择]

Passage Three The home computers industry has been growing rapidly in the United States for the last ten years. Computers used to be large, expensive machines that were very difficult to use. But scientists and technicians have been making them smaller and cheaper while at the same time they have been made easier to use, As a result, their popularity has been increasing as more people have been buying computers for their homes and businesses. Computers have been designed to store information and compute complex problems. Some have voices that speak with the operators. Stores use computers to keep records of their inventories and to send bills to their customers. Offices use computers to type letters, record business and communicate with other offices. People have been using computers in their homes to keep track of expenses and turn appliances on and off. One important new use for computers is for entertainment. Many new games have been designed to be played, on the comput
A. because the Americans want to appear rich
B. because they are smaller, cheaper and easier to use
C. because they can help Americans do everything
D. because 'they can type letters

[单项选择]Our examination has been postponed until next Friday.
A. put on
B. put down
C. put off
D. put in

[单项选择]Our packing has been improved with the result that our recent shipments have all turned ( ) to the full satisfaction of our customers.
A. in
B. out
C. /
D. forward

[单项选择]

Passage Three The winter in Iceland has been one 0f the worst ever. An animal that was born in Iceland and just returned there has enjoyed the weather. Keiko is a killer whale who is now living in a hidden bay. When Keiko was one or two years old, he was captured. This was in 1979. In 1982 he was moved to an amusement part in Ontario, Canada. Three years later another park took him to Mexico City. There, the 6.4-meter (21-foot) whale lived in a small pen with water that was too warm. In 1993 the "Free Willy" movie made people aware of his state. In 1996 the Free Willy Keiko Foundation moved him to a pool in an aquarium in Newport,Oregon. The foundation has spent over $12 million to return Keiko to Iceland, his home. Late last year the 40,000 -pound ( 18,0 -kilogram) whale was flown on a C-17 transport plane to pen near the Wesman Islands. Critics thought Keiko would suffer in the cold water. Instead, he is enjoying the cold and becomes more active. He likes to ju
A. 30,000 pounds
B. 18,000,000 grams
C. 60,000 ounces
D. 180,000 kilograms

[单项选择]Our company has been made one of the largest manufacturers in the field of chemical industry.
A. become, in
B. made, in field of
C. became, in the field
D. been made of, in

[单项选择]______ one of our specials has been ordered yet and we still cannot find why.
A. No
B. Not
C. Any
D. None

[单项选择]Our examination has been {{U}}postponed{{/U}} until next Friday.
A. put on
B. put down
C. put off
D. put in