People eslewhere agree on what a mountain is—or do __1__they? The fact is that definitions vary. Everyone admits forexample, that Everest is a mountain, the lowest of __2__ themall, an altitude of almost 30,000 feet. But what about__3__Snowdon, the loftiest peak in Wales? It raises a mere3000__4__ feet, yet it is also called a mountain. Comparison—alittle matter of relativity—is the key. To the average person livingon North America's Great Plains, Vermont's Green Mountains look lofty indeed, but to anyone fromthe Rocky Mountains, the Green Mountains seem something more__5__ than hills. Geographersgenerally agree that, to be a mountain topographically, a landmass might reach an altitude of3000__6__ feet above the level of the sea. Mount Everest, for instance, is 30,000 feet above sealevel, but not only 15,000 feet above the__7__ neighboring Tibetan plateau. Geologists restrict thedefinition even more, maintaining that a mountain is a mountain with__8__ virtue of its geologicalstructure. Some rugged highlands are not really mountains, when some flat, low-lying rocksurfaces__9__ are ture mountains. They are low now because of centuries of erosion. There areeven mountains under the sea—the Mid-Atlantic Ridge, for example. Like all ture mountains,theyare originally formed by large-scale movements of the__10__ earth's crust.
參考答案及解析:
1. elsewhere—everywhere.elsewhere意為“別處”
2. lowest—highest
3. an前加with.with在此處表示“具有......”相當(dāng)于having
4. raise—rises.raise為及物動(dòng)詞，其后常帶賓語;rise為不及物動(dòng)詞a mere 3000 feet在此處不是raise的賓語，而是狀語
5. something—nothing.nothing此處為副詞，修飾more。本句意義為“對(duì)生活在北美大平原地區(qū)的一般人而言，謂語Vermont州的Green Mountains看上去真的很高了，但對(duì)于任何一個(gè)來自Rocky Mountain地區(qū)的人而言，Green Mountain看上去不過是個(gè)山丘而已”。
6. might—must.作為一種標(biāo)準(zhǔn)必須達(dá)到某個(gè)高度
7. 刪除only之前的not.否則文理不通
8. with—in或by.by/in virtue of：與“by reason of，because of ”同意
9. when—while.此處while與whereas同意，表示對(duì)照比較
10. are—were.originally formed 該動(dòng)作是很早以前完成或結(jié)束的