单项选择题A．A more economical diesel fuel.B．Characteristics of a new type of fuel.C．Where a new energy source is located.D．How to develop alternative energy sources.

单项选择题A．Go to an art exhibition.B．Dine out with an old friend.C．Attend the opening night of a play.D．See his paintings on display.

单项选择题A．The women didn’’t pay their rent on time.B．She can’’t find anyone to repair the dishwasher.C．She had to buy a new dishwasher.D．Paula had some repairs done without her permission.

单项选择题The minimum amount of fish for a healthy diet is two portions a week including canned and smoked fish.

单项选择题A．The foggy weather has affected Mary’’s mood.B．They are puzzled about Mary’’s low spirits.C．Mary is dissatisfied with her promotion.D．Mary cares too much about her looks.

单项选择题A．The apartment is too far from the campus.B．The apartment needs a lot of repair work.C．She’’s having trouble with the owner of the apartment.D．Her roommate won’’t share expenses.