历年托福考试语法真题全面解析20

会计考友

16.A liquid is similar to a gas because has molecules are not fixed to each other in any specific way.
  
答案：B
  \: P0 K% y# D- S测试点：代词。
分析：在because从句中，主语molecules前应当是代词，不能用动词has。正确的词是its。
  
" c3 {* R% G# S17.The Conestoga wagon, used for to carry heavy loads over long distances, originated around 1725 in a region of Pennsylvania occupied by the Conestoga Indians.
& h+ E1 W" b7 k7 ^4 P6 Y  
答案：A
测试点：词形/介词宾语。
, S! S5 _* \# V( V) O4 Q9 y分析：介词for后面要接名词性的成份作宾语。如动名词，不能接动词不定式。此处tocarry应为carrying。
  
18.Providence, Rhode Island, is a busy manufacturing city and seaport, as well the state capital.
  
答案：C
测试点：习语。
分析：As well as是固定短语，此处缺一as。
5 u# P2 [9 r" d3 r$ @) U) V& d2 \0 v  
: l+ Y# K& E# H8 j2 Y19.The young of most bird species are totally dependence on parental care after hatching.  
3 E& C  ~* B: c/ K9 Q& a  
- C5 A- n- s  {4 y2 f7 B答案：B
测试点：词性。
分析：dependence是名词，此处要用形容词dependent作表语。be dependent on是固定用法。
( t& }; R5 J$ P: m8 z  
20.During most of this century, A. Philip Randolph struggled for Black rights in the United States and becomes an important figure in the labor movement.
- i* p( b( \) e# D" U/ U1 J& }1 L7 [  
2 \  G! c, y  r( [3 b: L答案：C
测试点：并列结构／时态一致。
' x( P  {, @/ f分析：看到连词and，应想到它所连接的两部分关系对等、性质相同。句中and连接两个谓语部分，其时态应一致。becomes应为became，用过去式与straggled并列。