单选题 During the construction of skyscrapers, cranes are used to ______ building materials to the upper floors.

单选题In the author's opinion, young people can learn a lot during the days they spend "hostelling" because ______.

单选题It is because she is too inexperienced ______ she does not know how to deal with the situation.

单选题Cultivated crops and grazing lands ______ less than one-third of the world's land area.

单选题 We mustn't rely on sheer enthusiasm and substitute our personal feelings for policy. The underlined part means ______.

单选题Not only the professionals but also the amateurs will ______ from the new training facilities. A. derive B. acquire C. benefit D. reward

单选题Money can buy happiness, but only if you spend it on someone else, researchers reported. Spending as little as $5 a day on someone else could significantly 26 happiness, the team at the University of British Columbia and Harvard Business School found. Their experiments on more than 630 Americans showed they were 27 happier when they spent money on others—even if they thought spending the money on themselves would make them 28 . 'We wanted to test our theory that how people spend their money is at least as important as how much money they 29 ,' said Elizabeth Dunn, a psychologist at the University of British Columbia. They asked their 600 volunteers first to 30 their general happiness, report their annual income and detail their monthly spending including bills, gifts for themselves, gifts for others and donations to charity. ' 31 of how much income each person made, those who spent money on others reported greater happiness, while those who spent more on themselves did not,' Dunn said in a statement. Dunn's team also surveyed 16 employees at a company in Boston before and after they received an annual profit-sharing 32 of between $3,000 and $8,000. 'Employees who 33 more of their bonus to pro-social spending experienced greater happiness after receiving the bonus, and the manner in which they spent that bonus was a more important 34 of their happiness than the size of the bonus itself,' they wrote in their report, published in the journal Science. They gave their volunteers $5 or $20 and half got clear 35 on how to spend it. Those who spent the money on someone or something else reported feeling happier about it. A. wealthier B. boost C. rate D. actually E. focused F. earn G. devoted H. bonus I. regardless J. discuss K. predictor L. instruction M. happier N. In spite O. improve

单选题Her father will never ______ of her going to study in the United States alone. A. prove B. agree C. admit D. approve

单选题He failed the test many times. ______, he didn't stop trying. A. But B. So C. Although D. However

单选题(Hard) (as) he worked, (but) Mr. Black couldn't keep the shop (properly).A. HardB. asC. butD. properly

单选题We must improve the farming method______we may get high yields.

单选题According to the author, the success of the campaigns may depend on

单选题 Listen to the following passage. Altogether the passage will be read to you four times. During the first reading, which will be done at normal speed, listen and try to understand the meaning. For the second and third readings, the passage will be read sentence by sentence, or phrase by phrase, with intervals of 15 seconds. The last reading will be done at normal speed again and during this time you should check your work. You will then be given 1 minute to check through your work once more. Raw Milk Some milk drinkers like what they call 'real milk',/also known as raw milk.

单选题In the swamp the army _____ by mosquitoes.

单选题Because of a recent obstacle in production, sales have dropped and accordingly profits have ______.

单选题The colors of that coat and hat don't ______ . A. suit B. mix C. match D. compare