历年托福考试语法真题全面解析25
1. Quasars __________ emitting extremely intense radio waves and visible radiation.(A) Star-like objects are
(B) Star-like, they are objects
(C) are star-like objects
(D) are they star-like objects
答案：C
测试点：主谓结构.
分析：Quasar是主语，后面缺少动词及动词后所带成份，应在答案中选择动词十宾语或系动词斗表语的结构．(C)是系表结构.
解题要点：在4个答案中首先寻找以动词开头的形式.
2. Mary Cassatt specialized __________ mothers with their children.
(A) painted
(B) who painted
(C) paintings
(D) in painting
答案：D
测试点：习语。
分析：specialize是不及物动词，后面不能直接加宾语，而要用介词。答案中只有(D)有介词，故选(D)．specialize in+名词／动名词是固定短语.
3. Gorillas are quiet animals, __________ they are able to make about twenty different sounds.
(A) how
(B) in spite of
(C) because of
(D) even though
答案：D
测试点：连词.
分析：逗号前后为两个主谓完整的句子，且是转折的关系，要用表示转折的连词连接．答案中只有(D)even though是表示转折的连词。(A)可以是连词，但无转折的意思；(B)(C)都是介词，不能连接句子.
解题要点：TOEFL结构题中的even though常常是首先要考虑的选择.
4. From 1946 to 1949, __________ William Henry Hastie served as governor of the Virgin Islands.
(A) the lawyer
(B) he was the lawyer
(C) the lawyer who
(D) was the lawyer
答案：A
测试点：同位语。
分析：空格后是一完整的句子，主语前所缺的是主语的同位语。应在答案中选择说明主语身份的名词，即(A)．(B)是句子(C)后加从句(D)是系表结构，都不能作同位语.
5. __________ struck, a tuning fork produces an almost pure tone, retaining its pitch over a long period of time.
(A) When is it
(B) One is
(C) When it is
(D) Is one
答案：C
测试点：状语从句.
分析：本句逗号后是一完整的句子，逗号前的部分为状语从句．应在答案中选择带有连接词的从句形式，即(C)．其实(C)省去it is，只保留when struck亦是正确的.
页:
[1]