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项目管理是一种以项目为对象的()管理方法,是把各种知识、技能、手段和技术应用于项目中,以达到人们的需要和期望。
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听力原文：Lena: There are a lot of things that you can’t control in this world, is that correct？
Ahmed: Exactly. So you just keep going forward. You keep going, endure and perhaps something good will come of it.
Lena: What should be done if you do want success？
Ahmed: You got to work hard, real hard. If you' re really an expert, maybe something bad won’t come of it.
Lena: Do you think nothing is as good as you want because of other people’s perceptions？
Ahmed: No, I think one may overestimate their abilities. That is the problem.
Lena: What do you mean by that？
Ahmed: Pat it this way, you should never take it for granted your abilities, be whatever they are, they can, alone decide what will come of them.
Lena: Can you give me an example？
Ahmed: Well, for example, in talking about a performance in a film, there are so many other people involved. The performance is pretty much controlled by the editing. You' re now relying on the editor and the director. If you' re editing the film. ,you' re relying on the actor and the support team and on the terrible hand, you might not be doing enough.
Lena: It sounds like, with whatever you do in the world, there are so many factors that you can’t control.
Ahmed: Absolutely.
Why is NOT the possible factor of success according to the man in the conversation？
在关键部位或关键工序施工过程中,由监理人员在现场进行的监督活动,被称为()。
房地产市场交易的对象实际上是附着在每一宗具体房地产上的权益,而不是土地或物业本身。()
Certainly no creature in the sea is odder than the common sea cucumber. All living creature, especially human beings, have their peculiarities, but everything about the little sea cucumber seems unusual. What else can be said about a bizarre animal that, among other eccentricities, eats mud, feeds almost continuously day and night but can live without eating for long periods, and can be poisonous but is considered supremely edible by gourmets？
For some fifty million years, despite all its eccentricities, the sea cucumber has subsisted on its diet of mud. It is adaptable enough to live attached to rocks by its tube feet, under rocks in shallow water, or on the surface of mud fiats. Common in cool water on both Atlantic and Pacific shores, it has the ability to suck up mud or sand and digest whatever nutrients are present.
Sea cucumbers come in a variety of colors, ranging from black to reddish-brown to sand-color and nearly white. One form. even has vivid purple tentacles. Usually the creatures are cucumber-shaped -- hence their name-and because they are typically rock inhabitants, this shape, combined with flexibility, enables them to squeeze into crevices where they are safe from predators and ocean currents.
Although they have voracious appetites, eating day and night, sea cucumbers have the capacity to become quiescent and live at a low metabolic rate-feeding sparingly or not at all for long periods, so that the marine organisms that provide their food have a chance to multiply. If it were not for this faculty, they would devour all the food available in a short time and would probably starve themselves out of existence.
But the most spectacular thing about the sea cucumber is the way it defends itself. Its major enemies are fish and crabs, when attacked, it squirts all its internal organs into water. It also casts off attached structures such as tentacles. The sea cucumber will eviscerate and regenerate itself if it is attacked or even touched l it will do the same if the surrounding water temperature is too high or if the water becomes too polluted.
According to the passage, why is the shape of sea cucumbers important？
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