【填句补文】Rough estimates in the past have predicted similarly disappointing results. ________ Says Sallie Chishol, an environmental engineer from the Massachusetts Institute of Technology. "But the take-home message is the same. Ocean fertilization is not the answer to global warming."

【概括大意】The charming smiles and service from the sales ladies and gentlemen are always there ready for you. More often than not(往往), on such occasions newcomers from elsewhere, say, China mainland, may feel something more than mere uneasiness-even a sense of guilt if they do not buy something from the shop. For some local old-timers(老前辈，老人), especially the teenagers, they feel quite at home with all these. Some of them think it is no good to be the "God"; sometimes they would rather be a shoplifter. The main idea of this paragraph is__________.

【完成句子】Heavy metals are persistent; they do not break down to other chemicals in the environment. Industrially polluted sites usually undergo intensive clean-up and rehabilitation because heavy metals are a health concern once they enter the food chain. Some trace metals are alleged to cause cancer and are also known to cause poisoning. Industrially contaminated sites usually require a thorough clean-up due to __________.

【概括大意】Today, we are beginning to think differently. In the last few years, research has thrown doubt on the view that innate intelligence can ever be measured and on the very nature of intelligence itself. There is considerable evidence now which shows the great influence of environment both on achievement and intelligence. Children with poor home backgrounds not only do less well in their school work and intelligence tests but their performance tends to deteriorate gradually compared with that of their more fortunate classmates.The main idea of this paragraph is__________.

【完成句子】Sagan was noted for the vigour of his logic style, especially when criticizing some piece of pseudoscience(伪科学). I remembered a 1973 AAAS meeting at which he destroyed the theories of Immanuel Velikovsky, who was maintaining that only a few thousands of years ago, Venus had repeatedly collided with Earth and Mars; events well noted. Velikovsky said, in the bible.In Sagan’s opinion, Velikovsky might be__________.

【填句补文】It’s now socially acceptable, even fashionable, to live alone. As people get better jobs and become financially independent, it becomes possible for them to maintain a one-person household. ________. However, people who do get married are marrying at a later age and divorcing more often.

【完成句子】In Britain, robot sales appropriately peaked in 1984, but have been declining ever since. This is partly because, British wage rates are too low to make robots financially attractive and partly because engineers now have more experience with robots and are more aware of the difficulties of introducing them effectively.Robots are less popular in Britain today partly because __________.

【阅读选择】The riches of the sea yet to be developed by man’s technology are impressive. Oil and gas explorations have existed for nearly thirty years. Valuable amounts of minerals such as iron, copper and so on exist on the ocean floor.According to the author, technology is important because ______.

【阅读选择】But Ellen really became famous in 2001. Aged only 24, she was one of only two women who entered the Vendee Globe round the world solo race(单人环球帆船比赛), which lasts 100 days. Despite many problems, she came second in the race out of 24 competitors and she was given a very warm welcome when she returned.In the Vendee Globe race, Ellen won ________.

【阅读选择】During the hours when you labour through your work you may say that you’re "hot". That’s true. The time of day when you feel most energetic is when your cycle of body temperature is at its peak. For some people the peak comes during the morning. For others it comes in the afternoon or evening. No one has discovered why this is so, but it leads to such familiar monologues as: "Get up, John！You’ll be late for work again!" The possible explanation to the trouble is that John is at his temperature-and-energy peak in the evening. Much family quarrelling ends when husbands and wives realize what these energy cycles mean, and which cycle each member of the family has.Which of the following may lead to family quarrels according to the passage？