[单项选择]As a traveler, George will be ______ home for several months each year.
A. away from
B. out of
C. far from

[填空题]People who voluntarily worked as servants for several years in exchange for passage to America were called indentured servants.

[单项选择]In a revolutionary development in technology, several manufacturers now make biodegradable forms of plastic; some plastic six-pack rings, for example, gradually ______ when exposed to sunlight.
A. harden
B. stagnate
C. inflate
D. propagate
E. decompose

[单项选择] Since the first brain scanner was constructed several years ago, computed tomography (X 线断层摄影术)or computed medical imagery, has become fairly widely used. Its rapid acceptance is due to the fact that it has overcome several of the drawbacks of conventional X-ray technology. To begin with, conventional two-dimensional X-ray pictures cannot show all of the information contained in a three-dimensional object. Things at different depths are superimposed, causing confusion to the viewer. Computed tomography can give three-dimensional information. The computer is able to re- construct pictures of the body’’s interior by measuring the varying intensities of X-ray beams passing through sections of the body from hundreds of different angles. Such pictures are based on series of thin ’’slices’’. In addition, conventional X-rays generally differentiate only between bone and air, as in the chest and lungs. They cannot distinguish .soft tissues or variations in tissues. The liver and pan
A. Cautious
B. Tolerant.
C. Enthusiastic
D. Critical

[填空题]

 

 

Several glaciers in the Alps have already disappeared in as few as 40 year. In the Patagonian ice fields of Argentina, some glaciers have receded one and one-half kilometers in the last 13 years. In the Himalayan Mountains, glaciers are melting so fast that runoff sometimes floods the surrounding areas. Their fate is a preview of the future of other glaciers on Earth.
The shrinking of the world’s glaciers will have massive consequences for communities that depend on ice melt for their water. In the short-term, these consequences may appear beneficial. For example, extra water from glaciers means that hydroelectric dams will run at maximum power. In the long run, however, the melting of Earth’s glaciers could be catastrophic. Today’s extra hydroelectric power has been stolen from the future. Communities with ample power now may have none after the

[单项选择]A Good Lesson After living in Europe for seven years, my parents decided that my family would move to the United States. We all looked forward to this. What would people think of us For me, I hope to be the hero of the class. I was not disappointed. All my classmates admitted my experience, and I quickly became well known as “the French guy”. I was very popular for a time. However, I was not interested in many things my classmates did, and it was hard for me to connect with them. I enjoyed listening to classical music, never watched TV, and almost never watched movies. I did not have a common background with my friends because I grew up in Europe. I had few friends, and fewer good friends. When I look back now, I realize I was a bit of an idiot to many people around me. I kept talking proudly about my experience. And I thought myself better than those around me because I lived in Europe but they didn’t. I had decided I wanted better friends when my parents sai
A. good appearance
B. outstanding talents
C. French accent
D. overseas experience

[单项选择]

Passage Four
You need a new vacuum cleaner. Several are on display--different prices, different features--but there are no clerks to be found. Finally a guy in a store vest slips past. You begin to ask questions, but he knows even less about vacuum cleaners than you do.
Robert Odom, shopping at the Southcenter Mall near Seattle, finds "it’s harder to get waited on now. Many stores have one person covering a tremendous area. You’ve got to go looking to find a clerk."
Retailing is big business in the United States. Every day, billions of transactions take place in the nation’s 1.4 million stores. Inventive technology speeds a staggering $2.5-trillion-a-year flow of purchases. But why do those bad encounters with salespeople continue to bother us so
When Yankelovich Partners asked 2,500 shoppers what was "most important to you regarding customer service," people ranked courtesy, knowledge ability
A. The customers are not willing to buy from the retailers.
B. The customers cannot get the help they need.
C. The salespeople are not satisfied with their working condition.
D. The salespeople do not receive enough training.