问题 名词解释

蒙特留斯

答案

参考答案:

瑞典考古学家,史前时代文化研究工作的开拓者之一。蒙特柳斯研究的重点是史前文化的分期与年代,尤专注西欧、北欧地区的青铜文化,提倡类型学方法。他的主要著作有《青铜时代年代问题》(1885)、《异教时代的瑞典文明》(1888)、《使用金属器以来的意大利原始文化》(1895?1910)、《东方与欧洲上古文化诸时期》(1903?1923,第一卷的中译本名为《先史考古学方法论》)、《英国青铜时代年代学》(1908)、《史前希腊》(1924)等。他在各地博物馆和大学的演讲对考古工作的普及也有很大贡献。

单项选择题
单项选择题

Most plants can make their own food from sunlight, (1) some have discovered that stealing is an easier way to live. Thousands of plant species get by (2) photosynthesizing, and over 400 of these species seem to live by pilfering sugars from an underground (3) of fungi(真菌). But in (4) a handful of these plants has this modus operandi been traced to a relatively obscure fungus. To find out how (5) are (6) , mycologist Martin Bidartondo of the University of California at Berkeley and his team looked in their roots. What they found were (7) of a common type of fungus, so (8) that it is found in nearly 70 percent of all plants. The presence of this common fungus in these plants not only (9) at how they survive, says Bidartondo, but also suggests that many ordinary plants might prosper from a little looting, too.

Plants have (10) relations to get what they need to survive. Normal, (11) plants can make their own carbohydrates through photosynthesis, but they still need minerals. Most plants have (12) a symbiotic relationship with a (13) network of what are called my corrhizal fungi, which lies beneath the forest (14) . The fungi help green plants absorb minerals through their roots, and (15) , the plants normally (16) the fungi with sugars, or carbon with a number of plants sharing the same fungal web, it was perhaps (17) that a few cheaters—dubbed epiparasites—would evolve to beat the system. (18) , these plants reversed the flow of carbon, (19) it into their roots from the fungi (20) releasing it as "payment.\

3()

A.realm

B.net

C.relation

D.web