12.Newspaper are an important ________ of information. Most people begin their days by reading the paper.

A. scene B.setting C. style D. source

13.The effects of drugs can be different depending on the kind of drug taken , how much is taken, how often it is used, how quickly it gets to the brain, _____ what other drugs or food are taken at the same time.

A. If B. and C. until D.so

14._____ the problem, the scientists put some sensors (传感器) into the machine.

A. Solving B. Solved C.To solve D. Solves

15.As we climbed higher, it became colder and rain began to fall , ______ it difficult at times to see the road.

A. getting B. thinking C. causing D. making

第二部分 阅读理解（每小题2分，满分30分）

　　　　　　　　　　　　　　　　A

CLASS TIME: 8:30a.m-10:00a.m., 10:30a.m.-12:00a.m., 1:30p.m.-3:00p.m. The Language Center is open from Monday to Friday. Each class has one afternoon free per week. On the first day, go to the lecture hall to check your timetable.

SELF-ACCESS: The language laboratory (Room 1110) is open from Monday to Friday from 3:15p.m. to 5:00 p.m. for all full-time students.

You can learn how to use computers for language games or word-processing（文字处理）. There are tapes for students to borrow to practice their English. Go in and ask the teacher to show you. If you plan to take public examinations, there are dictation and listening comprehension tapes for you to practice with. There are close exercises on the computers. Ask your class teacher for a list of past exam essays. Students can borrow tapes to take home but they must be returned after two days.

ATTENDANCE: All students are expected to attend classes as it is required. Students who do not attend classes will be reported to OSS. Eighty percent attendance is required for students to receive their certificates（证书）when they finish their courses. It is also required by OSS for an extension（延期）to your visa.

BOOKS: If students are given course books, the books are their responsibility. If