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A constant supply of nutrients for body requires ______.
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听力原文： Iran has lifted its ban on visits to a nuclear facility by U.N. experts and now will allow them to inspect the site, the International Atomic Energy Agency said Friday. It also said Tehran was ready to answer key questions on past suspicious experiments that the international community fears could be linked to a weapons pro- gram.
Years of Iranian stonewalling have left the IAEA unable to ascertain whether Tehran is telling the truth in asserting that it has no nuclear weapons ambitions and that its atomic activities are meant strictly to generate power. Its refusal to cooperate with the agency was the trigger that prompted U.N. Security Council involvement last year that led to two sets of sanctions.
The news item is about Iran's______.
听力原文：M: Hi, Kate. Mind if I join you？
W: No, not at all. Have a seat, Jack.
M: Have any plans for the weekend？
W: Yah, I'm really excited. I'm going up to Washington for a couple of days.
M: That's a coincidence. My roommate's going to Washington too. Are you driving？ Maybe you two could ride together.
W: No, I'm going to take train. I've already got my ticket.
M: So what are you going to do in Washington？
W: I'm visiting a friend I met last summer at the last music camp. Remember I went to a music camp in Vermont？ I shared a camp with Laura and she's just moved to Washington. So I'm going up to see her new place.
M: You two probably have a lot to talk about？ Didn't you tell me you were from Washington？
W' No, I'm from California. I've never been to Washington before, rll give you three guesses what we are going to do Saturday night.
M: Something to do with music, I bet.
W: Right, we are going to watch Rebecca at National Theater.
M: Wow, I wish I were going with you.
Kate will go to her destination by ______.
As the 21st century begins, a number of leaders in politics, education, and other professions believe that the United States must adopt some new values to go along with the old traditional ones. What new values should Americans adopt？ This is a very difficult question to answer. Certainly, a greater value should be placed on the conservation of natural resources; Americans should learn to use less and waste less. But conservation has never been a strong value to Americans, who have believed that their country offered an endless, abundant supply of natural resources.
Recently, progress has been made—more and more Americans are recycling their paper, cans, bottles, and other goods—but old wasteful habits die hard. Furthermore, the need to protect the environment may conflict with the need for jobs, as in the Northwest, where conservationists battle lumber companies that want to cut down ancient redwood trees. A belief in the value of conservation is still compared with other American values; it can become stronger only as Americans see the need for it more clearly.
In addition, Americans may need to place a strong value on cooperation on a national scale to achieve important national objectives. The American idea of the national good has never been based on national cooperation but rather on the freedom of the individual, maintaining those conditions that provide the greatest freedom and prosperity for the individual. It is far more difficult for Americans to accept shared sacrifice for the common good and well-being of the entire country. For example, although the majority of Americans believe that it is extremely important to balance the national budget and reduce the deficit, they do not want to see cuts in government programs that benefit them personally.
The American value of competition also hinders the development of a spirit of national cooperation. Competition sometimes encourages feelings of suspicion rather than the mutual trust that is necessary for successful national cooperation. Although Americans often cooperate successfully on the local level—in neighborhood groups and churches , for example— they become suspicious when the national government becomes involved. For example, on the national level, they may see themselves as part of an interest group that is competing with other interest groups for government funds. A request by the national government for shared sacrifice may be seen as coercive and destructive rather than voluntary and constructive. However, the demands of the 21st century may compel Americans to place a greater value on national cooperation to solve problems that affect them all, directly and indirectly.
The best title of this passage could be______.
根据事件2，承包商应取得的间接费补偿为()元。
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