6.The face of the Moon is changed by collisions with meteoroids, _____ new craters to appear.
C, v5 a3 O- p. l, Y (A) cause 6 U+ `! z/ K. i5 ]+ V# Y# L* A
(B) causing
* {1 @- c. f, Z% h k (C) caused
7 E/ N) j; g, {! V l& O7 J (D) have cause
; ?8 ^( P+ q, C9 t N) X) r& e KEY:B
/ z' i/ w! ]! Z0 _# L9 I( A7 x' c 分析:第一步分析句子完整性,主谓齐全,首先排除A和D。第二步观察其余两个选项,发现C与语意不符合,由此得到B选项。
" C8 {/ R6 [+ L 不必要知识点:考点是状语成份。逗号前为完整句,后接分词成分做伴随状语(TOEFL考试中,句子完整,逗号后一般接定从,分词,同位语和状从四种成分)。答案B,分词作状语。
0 c3 I3 Z4 p, {5 Q m0 t. P (A)谓语动词重复; * l4 {4 b% Y6 l/ k* q
(C)过去分词表被动,不合句意;
?$ s j/ w) \9 `6 k9 w9 y (D)同A。
+ r3 d8 r8 h2 B" ? 参考译文:由于彗星碰撞,月球表面产生了许多新“弹坑”。
) A" d: Y( w# u 7.Social scientists believe that --- from sounds such as grunts and barks made by early ancestors of human beings. ; o, O9 l$ V9 A9 A7 a* G
(A) the very slow development of language
) V$ T$ k9 a; O& ?. q% O( O4 k9 K (B)language developed very slowly 7 _: v9 W& W" a
(C) language which,, was very slow to develop
( M) S& B) N8 z (D) language, very slowly developing n. ?( t2 X2 D' p
KEY:B 0 ^7 s/ t4 n' B. l8 y+ ^
分析:第一步分析句子完整性,发现从句中缺少主语和谓语,很明显由此得到B选项。 6 K8 M! R$ Q) x. S
必要知识点:考点是主谓结构。that前的为主谓成分,that引导宾语从句,从句缺主谓
5 A6 ?8 q& e7 U, ] (A)选A,从句缺谓语; ' h* u1 T1 v9 q. s
(C)选C则that冗余,且逗号应在which前; . k$ H) Y0 e# i/ @3 D
(D)缺谓语。 ; ^ b, [$ ~8 e; ?
参考译文:社会学家认为,语言是由诸如早期人类的哼叫声这样的声响逐渐发展起来的。
* s" m5 [( W! ?; w 8._____ substances include various forms of silica, pumice, and emery.
# Y9 b1 r( ~, f) @7 R; I2 @ (A) Natural abrasives occur ( x) d$ W6 e8 P
(B)Abrasion occurs in natural
3 V* h& k) ^8 N6 h) V+ ]3 E (C) Naturally occurring abrasive 8 \3 Z; W, P4 Y) F0 ]; x. _0 L$ R
(D) A natural occurrence of abrasion $ A* W! S, ^/ C' m* |8 U- _
KEY:C
% d" j) B6 e( k0 Y+ \, |, }% m+ x 分析:第一步分析句子完整性,发现主谓齐全,首先排除A和B。第二步看其余两个选项,D不适合做定语,由此得到C选项。
2 g. B9 b& v' b/ w( [& F 必要知识点:考点是定语成分。空格后是完整句,则空格应填主语修饰成分(adj.冠词,所有格)。答案C,形容词短语作定语。 1 ` _% b2 U- B5 i& M6 q; P, v
(A)谓语动词重复
& N9 f5 [) k8 d2 u (B)同上
& p' n6 l5 u4 R T5 F4 @ (D)名词短语,不做定语 7 b3 e0 {) o, L: l- e9 f2 E9 a/ i
参考译文:天然具有研磨作用的物质包括各种形状的矽土,浮石和金刚砂。
7 H" ]' D4 R/ D1 N% ^ 9. ____ in the upper part of their long thin legs allow deer to run swiftly and jump far.
7 j$ }# N+ F8 [8 w, A (A) Muscles are powerful ' {0 l8 n* ~" q3 r: Z
(B) There are powerful muscles " s( S0 v2 |& ^+ A1 ~
(C) The powerful muscles that * n$ R8 T3 d* b4 p% {
(D) Powerful muscles
/ l! b) }4 N; Z" z KEY:D
7 K( U7 M8 ~0 Y. A6 D 分析:第一步分析句子完整性,发现句子缺少主语,由此得到D选项。
7 c( h' I8 M4 ?6 r* A4 I 不必要知识点:考点是主谓结构。句子缺主语(介词短语不做主语),答案D,名词短语作主语。 ; p" N9 T& |% {0 L0 M7 e- w
(A)谓语动词重复,allow是句子的谓语; - S1 A+ S& [9 S0 x8 D' |7 o7 Q
(B)同上; . N0 ~ T( A9 m2 n0 M; a' ^
(C)如that为从句引导词,后面没有支持他的从句。 $ x6 ]2 e* |0 G1 y9 }" n, ^0 m2 `
参考译文:细长腿部后帮的有力肌肉,使鹿得以跑动敏捷,跳跃高远。
3 m$ T- E/ a9 \' r$ @6 Y, X' O 10.Geophysicists have collaborated with archaeologists and anthropologists to study the magnetic properties of pottery and fireplaces at sites _____ by early humans. |