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Which of the following is NOT a U. city？
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Although many calls we make are absolutely unnecessary, mobile phones can surely bring us
听力原文： Started in 1636, Harvard University is the oldest of all the colleges and universities in the United States. Yale, Princeton, and Dartmouth were opened soon after Harvard. They were all started before the American Revolution made the thirteen colonies into states.
In the early years, these schools were much alike. Only young men attended college. All the students studied the same subjects and everyone learned Latin and Greek. Little was known about science then, and one kind of school could teach everything that was known about the world. When the students graduated, most of them became ministers or teachers.
In 1782, Harvard started a medical school for young men who wanted to become doctors. Later, lawyers could receive their training in Harvard Law School. In 1825, Harvard began teaching modem languages, such as French and German, as well as Latin and Greek. Soon it began teaching American history.
As knowledge increased, Harvard and other colleges began to teach many new subjects. Students were allowed to choose the subjects that interested them.
Special colleges for women were started. New state universities began to teach such subjects as farming, engineering and business. Today, there are many different kinds of colleges and universities. Most of them are divided into smaller schools that deal with special fields of learning. There is so much to learn that one kind of school cannot offer it all.
(30)
Our skins let us know whether the air is moist or dry, whether surfaces are wet without being sticky or slippery. From the uniformity (均匀) of slight pressure, we can be aware how deeply a finger is thrust (刺) into water at body temperature, even if the finger is enclosed in a rubber glove that keeps the skin completely dry. Many other animals, with highly sensitive skins appear to be able to learn still more about their environment. Often they do so without employing any of the five senses.
By observing the capabilities of other members of the animal kingdom we come to realise that a human being has far more possibilities than are utilized. We neglect ever so many of our senses in concentrating on the five major ones. At the same time a comparison between animals and man draws attention to the limitations of each sense. The part of the spectrum (光谱) seen by colour conscious man as red is non-existent for honey-bees. But a bee can see far more in flowers than us, because the ultra-violet (紫外线) to which our eyes are blind is a stimulating (刺激的) part of the insect's spectrum and for honey-bees at least constitutes (构成，组成) a separate colour.
From the passage we realise that ______.
电子邮件中的两个协议中，(66)协议是接收邮件的协议，(68)协议是发送邮件的协议。
(69)
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