6.The face of the Moon is changed by collisions with meteoroids, _____ new craters to appear.
% L3 H2 J; S ^) g/ ` w (A) cause * Y4 m9 v3 j4 B/ L4 a( E% z+ ^
(B) causing + r* s0 D( o4 Q; r r1 p# J1 k
(C) caused
' N. [& t" i; S( l$ l4 I (D) have cause
R! M5 _% j/ L$ s0 t5 J KEY:B
( X0 q- f& Y) T; L3 e 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。 ' e% c1 h v2 X* @8 O
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。
! x9 E; n5 ^5 |) y( o& T (A)谓语动词重复;
, c- |0 Z- m7 L% ? (C)过去分词表被动,不合句意; . U: E+ v R5 w
(D)同A。 : M3 l7 `! h+ F6 B/ F& Q& v* J
参考译文:由于彗星碰撞,月球表面产生了许多新“弹坑”。 4 {4 r: k% N4 ~. N
7.Social scientists believe that --- from sounds such as grunts and barks made by early ancestors of human beings.
/ F" ]$ a; h4 d2 {! u8 h- ^) j (A) the very slow development of language ; \+ r2 ~& ]# S
(B)language developed very slowly
) I$ a9 Q& m: {. [! o* T (C) language which,, was very slow to develop * e E M6 x i2 Z) n
(D) language, very slowly developing 6 z& C+ a/ J/ r8 m! H& j
KEY:B * v3 V7 C0 k- t0 [
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。 - l; y- p( U7 |& o% O
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
0 \% b3 R1 M l/ M& _. w. p5 f (A)选A,从句缺谓语;
$ i4 q8 v+ z; n1 [2 w, L J( w (C)选C则that冗余,且逗号应在which前;
/ @ T2 ?" D1 C! m% e* z8 [" \ (D)缺谓语。 ) e6 F: Y( W4 t4 M
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。 d8 B. y- z$ ?+ E
8._____ substances include various forms of silica, pumice, and emery. ( |( [; y) f+ V/ ]
(A) Natural abrasives occur : p3 h/ E3 e3 `
(B)Abrasion occurs in natural 2 z# \' {# |- D0 }
(C) Naturally occurring abrasive 8 a; B" [) c# o1 k0 M
(D) A natural occurrence of abrasion 1 {! g. `) o& Q2 F
KEY:C
2 l5 K4 o3 Y; Q# f4 J 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。
( u& S- {" _& i5 a+ W7 Q/ V 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。
2 ~5 T) C6 N0 W& v (A)谓语动词重复
% M, R4 [2 Y& j (B)同上 / }# Y7 e F) V/ u
(D)名词短语,不做定语
' t; n. A5 T% U% k r4 ]5 [ 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。
0 |7 ~ W& h6 A$ k/ C' ~ 9. ____ in the upper part of their long thin legs allow deer to run swiftly and jump far.
% k: V# H6 u! \9 l" |9 E1 O (A) Muscles are powerful
! v/ l5 M8 g& ]' l; W/ K7 y (B) There are powerful muscles
8 \9 S2 n& {# T3 V t$ L! j* P (C) The powerful muscles that : V! K) A" R1 n; b8 A( h% {0 T/ y5 w0 z
(D) Powerful muscles ) g# F( \7 o* |% @9 M
KEY:D
- E; [/ l9 M; i7 { T 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。 ! z* V% c6 N6 n
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。 & S- V; b2 C1 L
(A)谓语动词重复,allow是句子的谓语;
0 d* v* a& l8 Y2 V (B)同上; " Z8 A' T! q5 {' n
(C)如that为从句引导词,后面没有支持他的从句。
* u( q: r! E: S- ?) Z* H 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。 , |4 ` n# s* l7 {+ u# [6 T' y# Z, Z
10.Geophysicists have collaborated with archaeologists and anthropologists to study the magnetic properties of pottery and fireplaces at sites _____ by early humans. |