明天考试了，今晚把以前错的语法复习一遍，真是汗颜啊，依旧有许多不解，望各位高手不吝赐教！！
99-08:
39. Today’s nuclear fission fuels are the remnants of (which) used to be a (much more) active mixture of radioactive and fissionable materials two billion (years ago) and (earlier).
答案 A， 怎么改阿？
40. Petrography (concerns) primarily with the detailed (description) and classification of rocks, (whereas) petrology deals primarily with rock (formation).
答案 A， 不解？
98-10：
35. (Throughout) the 1930's United States government (patronage the) arts (was concentrated) in the section of the Works Progress Administration (known as) Federal One.
答案 B， 是要在patronage 后面加上of 吗？
29. (Meridians) of longitude and parallels of latitude (form grid) that can be used (to locate) the position of (any) point on the Earth's surface.
答案 B， 怎么改？
98-05：
39. (Each year) millions (of tons) of fertile topsoil (that could) produce good crops (washed) away by rains.
答案： C， 为什么不能把D改成‘is washed’ ？ C错就是因为时态不对吗？
02-08：
31. Acclimatization is (the process) by which an organism adjusts (to living) in an environment (to) which (it normally) unsuited.
答案： D， 怎么改呢？ 问答案B、C的‘to’到底哪个才是短语adjust to中的to？
97-01：
5. Although the Earth's chemical composition had been studied for years, only toward the end of the nineteenth century _____ as a discipline in its own right.
(A) when geochemistry was recognized
(B) was recognized as geochemistry
(C) then recognized as geochemistry
(D) as geochemistry was recognized
答案： D， 问此处的第一个as是什么词性呢？如果是连词，为什么A的when不行呢？
97-10：
14. Fibers of hair and wool are not continuous and must normally be spun into thread _____ woven into textile fabrics.
(A) as are they
(B) when to be
(C) that they are
(D) if they are to be
答案D， B为什么不行？
最后烦问一下， 动名词的修饰是用形容词还是副词？ 如： 99-10：
36. (Indiscriminately) dumping of waste materials and inadequate sewage treatment are two serious causes of environmental pollution. 是不是把Indiscriminately 改为形容词？
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发表于 2003-10-23 13:53:00
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