6. The worldwide race to develop an affordable synthetic fuel has so far consumed billions of dollars and __________ few results.
& r2 ]8 o4 } ]9 |. v" z, ](A) yielded
. K) V5 s8 g6 u3 y2 S* j(B) yielding 8 C/ u5 }7 L. f: D8 \
(C) yield ha
\" k. R9 V E) Y. q: g(D) has a yield of
+ J+ o. M7 i& o
5 _3 b" ~+ K; Y& g答案:A ' ^4 P s5 s4 O {5 o
测试点:并列结构。
1 Q# e' {7 G! ~. I' j5 A分析:and前后两部分,应同形式、同性质。此处and连接两个谓语部分,前面是consumed…,后面应也是一过去式的动词,即(A)yielded。 1 Y! m% Y& V7 H& E
2 Y, ~6 w5 v1 @: ^' |2 w. z
7. Experiments in the photography of moving objects __________ in both the United States and Europe well before 1900.
. v/ `; `. z' F$ {9 o(A) have been conducting $ {9 ?+ u l& t: b6 y2 a
(B) were conducting
, V4 ?; s) y' C(C) had been conducted
8 j& `% V' ]0 p' x(D) being conducted * |2 ?+ b+ t+ L& O6 @
/ l) \* D' z" t6 V9 ]答案:C # g2 {- B/ q( G: `! H/ {
测试点:时态。 / k' H) K) {$ A) ]6 y8 }3 b
分析:本句有主语而缺谓语动词,应选择时态正确的动词作谓语。句中well before l900说明时间是“过去的过去”,时态应用过去完成时,故选(C)。(A)是现在完成时;(B)是过去进行时;(D)不能作谓语动词。 N+ S' T8 e$ Q5 }+ a( g* K0 T1 X
0 A% ]# D; H) G( N' q7 v8. The University of Georgia, __________ in 1785, was the first state supported university in the United States.
& @8 R* \- a0 I. q! i" ~(A) chartered / [* a4 Q& b9 a. L0 N, A
(B) was chartered 0 [/ ]2 N* j7 {6 V( F7 L
(C) it was chartered % _' D. I9 H) l. K' e- v( l# [
(D) to be chartered ( { X/ ~: z u# r9 p& C$ Z. ~
) C4 B- R- K8 k0 W
答案:A l& t! _9 ?% T& S( q& `
测试点:分词短语作后置定语。 , v; i7 L3 n2 M# z9 W3 g
分析:此句是TOEFL常考句式。分词短语作定语放在它所修饰的名词后面(A),相当于被动式的定语从句省掉关系代词which/that及系动词be。(B)若改为which was chartered,(C)用which代替it,(D)去掉to be,亦可。 " Q/ Z% f! V6 J4 b. |) o
5 G: I/ C' q# A7 P
9. Thanks to modern irrigation, crops now grow abundantly in areas where once __________ cacti and sagebrush could live. 8 _9 c# o. j3 q( G( a
(A) nor
' |9 J) r; c2 z0 J- t$ u3 R(B) not the 4 O1 z* Z5 j9 U: p2 L8 f n
(C) none other + b. L( e+ {' ?$ K$ F7 I+ S/ U
(D) nothing but
+ l! [% s1 L; {6 w, S1 S9 [8 ] 6 X1 f. s* A" a, m
答案:D ( g) V. P1 _. _8 r8 v
测试点:短语。 , L. s7 @. K8 \, W
分析:Nothing but是固定的短语。(A)nor通常不单独使用,应与neither连用;(B)not用于否定动词或形容词;(C)是错误说法。 ; g9 Z% \. D4 F; w- |# O9 |) Q
3 d! |. b, U7 ]6 G0 c6 h0 _6 m3 N
10. __________, in the late 1800’s, some libraries had to keep as many as twenty to thirty copies of each of Mary Jane Holmes’s books on hand. 6 S2 ?# ?7 O V: q( s7 C
(A) Inventories showing
. r9 v! l5 @: g(B) That show inventories : G" ], u) T# `0 W, i
(C) Inventories show that 8 F! l2 @' G$ Y5 b3 J
(D) Showing the inventories
' o9 q1 { b9 q: d. s2 m 9 l# P$ _: J- h' T' i( g) p, Z$ @
答案:C
: X. L8 R: f! E# ^$ u6 @' E U测试点:复合句。
' k9 ]7 U/ ?: }; K- U$ V分析:本句中some后的部分为从句,前面缺少主句,及连接词。应在答案中选择完整的主谓结构,即(C)。 |