10. Climatic shifts are so gradual as to be indistinguishable at first from ordinary fluctuations in the weather.
(A) so gradual as to be indistinguishable
(B) so gradual they can be indistinguishable 少了that, 添加了情态不对。
(C) so gradual that they are unable to be distinguished be able to 用错。
(D) gradual enough not to be distinguishable（A）
(E) gradual enough so that one cannot distinguish them
请问SO AS TO 和SO THAT用法的区别在哪里啊？？
这个问题比较复杂。so.... as to 只用与系表结构。而且在对时态，情态，语态没有要求的情况下使用。用法比较restricitve.
so that 比较广泛一点。
19. The commission acknowledged that no amount of money or staff members can ensure the safety of people who live in the vicinity of a nuclear plant, but it approved the installation because it believed that all reasonable precautions had been taken.
(A) no amount of money or staff members
(B) neither vast amounts of money nor staff members
(C) neither vast amounts of money nor numbers of staff members
(D) neither vast amounts of money nor a large staff（D）
(E) no matter how large the staff or how vast the amount of money
D选项应该是打漏了什么了吧！？ 没有。体会the numbers of staff, 和a large staff 在逻辑上面强调的重点不一样。前者说大量的员工，是个实意的概念，或者是个概括性的概念，比较抽象一点。好像很难用语言表达清楚。不知道我说明白没？
21. While the owner of a condominium apartment has free and clear title to the dwelling, owners of cooperative apartments have shares in a corporation that owns a building and leases apartments to them.
(A) While the owner of a condominium apartment has free and clear title to the dwelling,
(B) The owner of a condominium apartment has free and clear title to the dwelling, but
(C) Whereas owners of condominium apartments have free and clear title to their dwellings,
(D) An owner of a condominium apartment has free and clear title to the dwelling, whereas（C）
(E) Condominium apartment owners have a title to their dwelling that is free and clear, while
请问WHEREAS 和WHILE的区别
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发表于 2004-3-25 22:22:00
