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标题: 大全851 [打印本页]

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作者: iamlarissa    时间: 2008-9-20 10:16
标题: 大全851

1.        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（A）

(E) aperiodic tiles, it turned out to describe

这题为什么选A呢？ 我选B

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作者: cng    时间: 2008-9-20 10:49
b是不是因为应该用are?

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作者: Netherlander    时间: 2008-9-20 13:42

真正的主语是 ￥%……& tiles 是复数 所以应该用are

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