Unit 1
1. Most cities in the country have introduced “Clean Air Zones” whereby factories and households are only allowed to burn smokeless fuel.
2. He knows that the pursuit of social status can consume vast amounts of his time and effort.
3. The doctors are at a loss because so far no medicine has been found to inhibit the spread of the disease.
4. We see many special education directors trying to maintain the quality of their programs with much less money and much smaller staff.
5. People there are told it is their patriotic duty to support the national economy by buying their own products.
6. Darwin’s thinking both drew upon and transcended the conventional ideas of his time.
7. In spite of all your endeavors , there may be times when you encounter difficulties in the training process.
8. My advice to Mr. Stewart is to think carefully before entering into a career in medicine, as this is a field which requires a lot of dedication and long working hours.
9. Most Chinese parents would prefer to choose some professions that are stable and could bring prestige and economic benefits.
10. It’s legally possible for an elderly person to nominate someone to act for them, should they become incapable of looking after themselves. Unit 2
1. Kids are more likely to intervene in a situation if they believe their parents expect them to help.
2. The first lesson I learned as a newcomer for the company was never to underestimate the degree of difficulty I would face in career advancement.
3. Just as I started to think that I was never going to get well, the illness began to recede .
4. Whatever the decision is, I would like you to know that your department is my first choice and I deem it a great honor if I could study in your department.
5. During one particularly bleak moment in my career, a senior colleague of mind said to me, “If you follow your dreams, the money will come. Follow the money, and you’ll lose your dreams.”
6. Unless we can find a way to appraise nature and then invest in protecting it, our basic life-support systems are going to collapse.
7. The blizzard(暴风雪) moved south, turning into an icy rain that paralyzed the airports for three days.
8. In this introduction we have diagnosed some of the causes of the illness and, in the following chapters, we will draw attention to its various unpleasant symptoms.
9. In those days, divorce under any circumstances was socially unacceptable and there was great dismay in the family who went through it.
10. Every time she talked about being rejected in her hunt for a job, she seemed on the brink of tears, and I would quickly switch the conversation to another topic.
Unit 3
1. As a number of authors point out, the urge to migrate is a(n) integral part of human nature.
2. Children should be allowed to cherish those few years of innocence before they have to learn the truth about the real world.
3. He has been afflicted by a horrible disease, from which one of his best friends died two weeks ago.
4. The results of the survey are noteworthy and useful despite being from a small sample.
5. The director said that they needed a young actress who could portray someone who was both unbalanced and confident at the same time.
6. Praise must be used wisely to compliment students who perform up to expectations and to and to encourage students to perform to maximum levels.
7. In the domain of research, it is an accepted fact that scientific publications have to be written or translated into English to get published, acknowledged, and cited.
8. He received a(n) anonymous call threatening to disclose details of his affair if he didn’t pay the money.
9. The movie presents Lincoln as a strong-willed, conscientious man who led the US through a moral, constitutional and political crisis.
10. It is understandable that the health and welfare of their family is a(n) perpetual concern for this young couple.
Unit 4
1. Although secondary education is compulsory, parents are not required to send their children to state schools.
2. The economic situation has been worsening, causing economists to contemplate whether the present policies are sustainable.
3. He was found guilty and was imprisoned in the Tower of London, where he died very quickly, aged only 47.
4. It is obvious that the future of the Internet is to globalize more and more areas of the world, and that e-commerce and e-entertainment are going to go for more and more markets.
5. However, your current losses should soon be offset by gains; the fund will produce a positive return of 11.6 percent over a nine-month period.
6. Because she was so tall and slim, all the clothes looked marvelous on her and the other girls would groan their envy.
7. This can be a helpful approach in discussion-someone may regard you as stubborn since you never want to change your mind, whereas you see yourself as determined. 8. On weekends, the school parking lot is almost empty except that a few cars cluster near the entrance.
9. In the photographer’s finest pictures there is also a degree of ambiguity, which
allows them to be interpreted in a variety of ways.
10. Tim stretched out a hand in apology for his thoughtless remarks and was consoled by a firm handshake from Mark.
Unit 5
1. The general considered all the information that had been gathered and gauged what possible moves the enemy might make before issuing his orders.
2. The new president said she would dedicate herself to protecting the rights of the old and the homeless, who are otherwise helpless and vulnerable.
3. Cell phone conversations, which are fairly commonplace on commuter trains, can be annoying to fellow commuters.
4. Ask your doctor whether a low-fat diet and a daily walk will suffice to reduce your high blood pressure.
5. The revenue from tourism is the biggest single contribution to GDP in the Maldives; every year many tourists from all corners of the world spend their holidays there.
6. Since the beginning of this century, China has built many modern conference centers with underground parking, air-conditioning and simultaneous translation systems.
7. While advertising offers a stimulus(刺激) to buy, sales promotion offers a(n) incentive to buy, but consumers must have their own reason to buy.
8. In general, smokers living in cities are slightly more prone to lung cancer than smokers who are living in the country.
9. A large proportion of important innovations are brought about by people who step outside of conventional categories or traditional assumptions.
10. The habit of going to coffee houses was fostered by the city’s relatively small size, safe streets, good public transportation, and moderate climate.
Unit 1
1. When Francis got back after Easter, he was far behind his classmates and he was removed from the second into the third class at his own desire.
2. The president acknowledged that he had somehow failed in his ability to communicate to the American people.
3. Unfortunately, as history has shown, some of the companies are guilty of misconduct in the pursuit of profit.
4. The ship deviated from the agreed voyage and arrived about 10 days late and in the meantime the price of sugar had fallen and the merchants lost over ￡4,000.
5. Because the transcript is still under seal, the law precludes them from reading and discussing the evidence in detail.
6. In carrying out the plan we are likely to come across difficulties, but we are determined to triumph over them all.
7. Without increasing investment in education, it will be increasingly difficult for low-income people to work their way into the middle class.
8. All the passengers in the plane that crashed in the middle of the Andes Mountains a
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