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10. The work of mathematician Roger Penrose in the early 1970s, on the geometry of what are called aperiodic tiles, turned out to describe the architecture of a previously unknown class of crystals. (A) what are called aperiodic tiles, turned out to describe (B) what is called aperiodic tiles, describes (C) aperiodic tiles, describing (D) so-called aperiodic tiles, describe (E) aperiodic tiles, it turned out to describe 答案是A，之前看到有人问过了，我选了B。因为LZM语法书上说科研成果政府公告什么的要用现在时的，为什么这里答案用turned哦？ 11. There are more than forty newspapers published in the cities of Kerala, a state on the Malabar Coast, which reflects the fact that Keralans are by far India’s most literate citizens. (A) which reflects (B) and that number reflects (C) which reflect (D) that number reflects (E) that reflects 答案是B，我选了A，给解释一下好么？ 12. Stars like the sun can continue to shine steadily for billions of years because its light and heat are produced by nuclear fusion, in which titanic releases of energy result in the loss of only tiny amounts of mass. (A) its light and heat are produced by nuclear fusion, in which (B) nuclear fusion produces its light and heat, in which (C) nuclear fusion produces their light and heat, where (D) its light and heat are produced by nuclear fusion, where 答案是E，不过我选了C。为什么要选用了被动语态的呢？ 22. As recently as 1950, tuberculosis was never curable unless sequestered in sanitariums; today, the drug Isoniazid has made such treatment obsolete. (A) unless sequestered (B) without sequestering (C) without being sequestered (D) unless it was sequestered (E) unless patients were sequestered 答案是E，我选的A.patients为什么可以省呢？我觉得省了看起来不完整啊 不好意思问的多了点，因为我要问的collection里面都没有人问过哦~~~~~麻烦大家了。 | 
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发表于 2007-12-18 23:22:00
