【填句补文】The future is much too important to simply guess about, the way the high school students did. ________ by carefully studying the present, skilled businessmen, scientists, and politicians are supposedly able to figure out in advance what will happen.

【概括大意】"Many of life’s failures," the supreme innovator said, "are people who did not realize how close they were to success when they gave up." Before that magical moment in October 1879, Edison had worked out no fewer than 3,000 theories about electric light, but in only two cases did his experiments work.The main idea of this paragraph is__________.

【填句补文】 Although the researchers have only just made the technical details of the microscope public, it is already on sale. It is currently the size of a refrigerator and takes several minutes to scan a circuit, but Xiao and Schrag are working ________.

【填句补文】Many beginning interviewers are afraid that they are forcing the other person to answer questions and have no right to inquire about his personal secrets. ________. Unless the person really hates being interviewed, he is delighted that somebody wants to interview him.

【填句补文】“Geochemists just want an intuitive sense of what’s going on with the elements,” says Albert Galy from the University of Cambridge ________.

【阅读判断】Although no other game is exactly like baseball, perhaps the one most nearly like it is the English game of cricket(板球).Q: Baseball shares many features with the English game of cricket.

【阅读判断】Before you begin your talk, be kind to your voice. Avoid milk or creamy drinks which coat your throat. Keep your throat wet by drinking a little sweetened warm tea or diluted fruit juice.Q: To solve the problem of dry mouths, one is advised to take cool milk.

【阅读判断】Over the weekend, Hillary Rodham Clinton, wife of former president Bill Clinton, announced her run for 2008 presidency. This is partly due to the biased thinking that women are weak on national security, though they might be strong on education and health care. This damages their prospects as a presidential contender.Q: One of Hillary’s campaign promises is to reform the nation’s health care system.

【完成句子】The importance of particular metals in the human diet has been realized within the past few decades, and the idea that geology might be related to health has been recognized for a number of elements such as iodine, zinc and selenium. For example, soils with low iodine contents produce crops, and animals deficient in iodine. A lack of iodine in the human diet leads to some serious diseases.Some serious diseases is connected with deficiency of __________.

【概括大意】Wignall calculated the "killing efficiency" for these volcanoes by comparing the proportion of life they killed off with the volume of lava that they produced. He found that size for size, older eruptions were at least 10 times as effective at wiping out life as their more recent rivals.The main idea of this paragraph is__________.