历年托福考试语法真题全面解析67

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11. --- has been a topic of continual geological research.
% h) d% M6 K+ |* U1 m/ h. b* _(A) Did the continents originate
(B) How did the continents originate
(C) Have the continents originated
% I' P8 x/ [" d(D) How the continents originated
) x$ O$ w5 {  [+ l+ u- ^  
答案：D
测试点：主语从句.
分析：句子有谓语而无主语，应在答案中选择名词性成份作主语．that，what，how引导的从句为名词性从句，故在(B)、(D)中选择．(B)为疑问句，(D)才是从句语序.
" i  S0 i" b, f. @/ @3 ~8 K  
12. Because the papaya grows readily from seed, ---spread from its home in Central America and now grows throughout the tropics.
(A) to be
(B) it
(C) the
- H* j) x( I0 [1 F1 W, I8 h: K(D) its
  
答案：B
测试点：主语.
9 b2 T8 S- \5 P6 l0 ~; Q( F4 z+ B分析：空格前为表示原因的从句，空格后为主句；主句有谓语spread而无主语，应在答案中选择可做主语的成份，即(C)代词it。
  
13. The elimination of inflation would ensure that the amount of money used in repaying a loan would have ---as the amount of money borrowed.
(A) as the same value
* B. |1 B( w: K(B) the same value
* g7 p' ^2 z# T1 P9 B(C) value as the same
(D) the value is the same
  
答案：B
8 ]/ O8 b' z; z测试点；the same…as…结构侗序.
* G, Y3 j9 p- x分析：(B)the same value as是正确的“the same+名词+as结构．其余答案均为错误词序.
) v* s5 @- g$ o6 J0 B' o1 m% o  B  
14. Futurism, ---early twentieth-century movement in art, rejected all traditions and attempted to glorify contemporary life by emphasizing the machine and motion.
(A) an
(B) was an
(C) that it was an
(D) that an
  
* F8 ]# f( |( Z9 q答案：A
测试点：Futurism为主语，
: r) \1 f, O. T$ R5 R分析：rejected为谓语动词，逗号隔开的中间部分是主语的同位语；名词movement前缺冠词，故选(A).
2 B: D! X) v7 d. p- n  
15. All living organisms constantly absorb carbon 14 ---their existence.
2 A5 o8 ?( K5 g& R" K1 R0 Z(A) out
(B) about
(C) around
(D) throughout
  
答案：D
介词/习语。
9 _4 z- z4 P. N7 a% D分析：Throughout one’s life／existence是固定短语。