单项选择题


Questions 14 to 17 are based on the following passage. At the end of the passage, you will be given 20 seconds to answer the questions.
Now, listen to the passage.
Where was the first telephone service in, America established

A．New York.
B．Washington D.C.
C．Philadelphia.
D．Chicago.
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单项选择题
What is the main topic of the passage
A．The mechanics of rain.
B．The climate of North America.
C．How gravity affects air current.
D．Types of clouds.
问答题
[听力原文]There are very often strong opinions expressed about what makes a good wine. At a simple level, a good wine is one that you enjoy drinking. But why do you prefer one wine to another To judge a wine there are three basic senses that have to be employed: the sense of sight, the sense of smell, and the sense of taste. Of these three, taste is by far the most complex, but sight and smell are powerful. The wrong colour or the wrong smell enables a wine to be discarded without taste even being involved. Having examined the wine, you can now get on and drink it. But try and remember your conclusions, for it is only by building up your own personal taste bank memory that you can progress as a wine taster. It is not difficult, and it is great fun. Cheers!
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