part I Writing (30 minutes)
注意：此部分试题在答题卡1上。
1.有些大学允许学生自由选择某些课程的任课教师
2.学生选择教师时所考虑的主要因素
3.学生自选任课教师的益处和可能产生的问题
On Students Selecting Lecturers

Part II Reading comprehension (Skimming and Scanning ) (15 minutes)

Highway
Early in the 20th century, most of the streets and roads in the U.S. were made of dirt, brick, and cedar wood blocks. Built for horse, carriage, and foot traffic, they were usually poorly cared for and too narrow to accommodate(容纳) automobiles.
With the increase in auto production, private turnpike(收费公路) companies under local authorities began to spring up, and by 1921 there were 387,000 miles of paved roads. Many were built using specifications of 19th century Scottish engineers Thomas Telford and John MacAdam (for whom the macadam surface is named), whose specifications stressed the importance of adequate drainage. Beyond that, there were no national standards for size, weight restrictions , or commercial signs. During World War I, roads throughout the country were nearly destroyed by the weight of trucks. When General Eisenhower returned from Germany in 1919m after serving in the U.S. Army’s first transcontinental motor convoy (车队), he noted: “The old convoy had started me thinking about good, two-lane highways, but Germany’s Autobahn or motorway had made me see the wisdom of broader ribbons across the land.”
It would take another war before the federal government would act on a national highway system. During World War II, a tremendous increase in trucks and new roads were required. The war demonstrated how critical highways were to the defense effort. Thirteen percent of defense plants received all their supplies by truck, and almost all other plants shipped more than half of their products by vehicle. The war also revealed that local control of highways had led to a confusing variety of design standards. Even federal and state highways did not follow basic standards. Some st