聽材料，回答下列問題：

　　A.She was invited only for the weekend.

　　B.The weather was too hot.

　　C.She had an appointment.

　　D.She had schoolwork to do.

　　10、

　　A.She had to go home.

　　B.She was too tired to continue.

　　C.She had to finish her schoolwork.

　　D.She was thirsty.

　　11、

　　A.The water was too cold.

　　B.The water was too deep.

　　C.She doesn't know how to swim.

　　D.She didn't have enough time.

　　12、Conversation Two.

　　聽材料，回答下列各題：

　　A.Whether or not snowflakes can be analyzed.

　　B.How snowflakes are formed.

　　C.What causes a snowstorm.

　　D.Where the largest snowflakes can be found.

　　13、

　　A.She has never seen snow before.

　　B.She is conducting a research on snow.

　　C.She wants to make artificial snow.

　　D.She has just read about snowflakes.

　　14、

　　A.The shape of the dust particles in the air.

　　B.The relative humidity.

　　C.The temperature of the air.

　　D.The geography of the area.

　　15、

　　A.Inspect snowflakes more carefully.

　　B.Make a copy of the article.

　　C.Write down more information.

　　D.Draw diagrams of the different shapes.

　　16、Passage One.

　　聽材料，回答下列各題：

　　A.To explain a new requirement for graduation.

　　B.To interest students in a community service project.

　　C.To discuss the problems of elementary school students.

　　D.To recruit elementary school teachers for a special program.

　　17、

　　A.He advises students participating in a special program.

　　B.He teaches part-time in an elementary school.

　　C.He observes elementary school students in the classroom.

　　D.He helps students prepare their resumes.

　　18、

　　A.Contact the elementary school.

　　B.Sign up for a special class.

　　C.Submit a resume to the dean.

　　D.Talk to Professor Howard.

　　19、Passage Two.

　　聽材料，回答下列各題：

　　A.The use of oversized freight containers.

　　B.Safety problems with railroad tracks.

　　C.The growth of the automotive industry.

　　D.The high cost of meeting environmental regulations.

　　20、

　　A.To make the railway operation safer.

　　B.To offer passengers more comfortable journeys.

　　C.To meet the demand of shipping larger loads.

　　D.To connect the railway network with the highways.

　　21、

　　A.It contributes less to air pollution than truck industry.

　　B.Its competitors are inconsiderate of customers.

　　C.It preserves a traditional way of doing business.

　　D.It creates personal fortunes for investors.

　　22、Passage Three.

　　聽材料，回答下列各題：

　　A.They took objective tests.

　　B.They specialized in one subject.

　　C.They spoke instead of writing.

　　D.They were timed by electric clocks.

　　23、

　　A.Modem industry must have developed before the Middle Ages.

　　B.Modem industry must have developed around the 19th century.

　　C.Modem industry must have developed in Greece or Rome.

　　D.Modern industry must have developed machines to take tests.

　　24、

　　A.Objective tests.

　　B.Spoken tests.

　　C.Personal tests.

　　D.Subjective tests.

　　25、

　　A.The features of the exams in the Middle Ages.

　　B.How to perform well in both spoken and written exams,

　　C.How did the forms of exams evolve.

　　D.The different exams designed for people of different ages.