Unit 1 1) It takes an enormous amount of courage to make a departure from the tradition. 2) Tom used to be very shy, but this time he was bold enough to give a performance in front of a large audience. 3) Many educators think it desirable to foster the creative spirit in the child at an early age. 4) Assuming (that) this painting really is a masterpiece, do you think it’s worthwhile to buy/ purchase it? 5) If the data is statistically valid, it will throw light on the problem we are investigating. Unit 2 1) The company denied that its donations had a commercial purpose. 2)Whenever he was angry, he would begin to stammer slightly. 3) Education is the most cherished tradition in our family. That’s why my parents never took me to dinner at expensive restaurants, but sent me to the best private school. 4) Shortly after he recovered from the surgery, he lost his job and thus had to go through another difficult phase of his life. 5) In contrast to our affluent neighbors, my parents are rather poor, but they have always tried hard to meet our minimal needs. Unit 3 1) Have scientists found proof of water on Mars? 2) The planning committee has narrowed down the possible locations for the nuclear power plant to two coastal towns. 3) Sam not only lost his job but also both legs; he had to live on welfare for the rest of his life. 4) A jury consisting of 12 members voted in unison that Mary was guilty. 5) Sean felt humiliated to hear his talent being questioned. Unit 4 1) Research shows that laughter can bring a lot of health benefits. 2) A slow Internet connection speed is really annoying. 3) As the law stands, helping someone commit suicide is a crime. 4) In her report, Mary tries to interpret the data from a completely different angle. 5) Sue is a girl of great talent. Her amazing memory sets her apart from her classmates. Unit 5 1) It is the creativity and dedication of the workers and executives that turned the company into a profitable business. 2) The prices of food and medicine have soared in the past three months. 3) We plan to repaint the upper floors of the office building. 4) His success shows that popularity and artistic merit sometimes coincide. 5) I don’t want to see me beloved grandmother lying in a hospital bed and groaning painfully. Unit 6 1) He is a man of few words, but when it comes to playing computer games, he is too clever for his classmates. 2) Children who don’t know any better may think these animals are pretty cute and start playing with them. 3) There is no way to obtain a loan, so as to buy the new equipment, I’ll just have to grit my teeth and sell my hybrid car. 4) The hunter would not have fired the shots if he had not seen a herd of elephants coming towards his campsite. 5) I find it ironic that Tom has a selective memory --- he does not seem to remember painful experiences in the past, particular those of his own doing. Unit 7 1) Many small businesses have sprung up in the city since the new policy went into effect. 2)On hearing the news, she smiled briefly, and then returned to her habitual frown. 3) He paused for effect, then said:” We can reach/ enter these markets through new channels. 4) The addition of a concert hall to the school will help it nourish young musical talents. 5) We have no way to protect our personal liberties until we have established a sovereign state./ We can’t protect our personal liberties unless we, first of all, establish a sovereign state. Unit 8 1)This is a prosperous town,but there is still poverty in the midst og wealth and abudance. 2)The Brown family was striken with one misfortune after another,but their children never complained. 3)The museum is designed in such a way that it stands in perfect harmony with its surroundings. 4)It was a miracle that these flowers did not wither at all in the blazing sun. 5)Flocks of sheep feed on the patches of vegetation that rise above the winter snow. 本文来源：https://www.wddqw.com/doc/323e0cb9fd0a79563d1e7205.html