21. Bubbles, flaws, and other irregularities diffuse the light that passes through stained glass, _________ the glass sparkle.# x: ^$ |% X: C. Y
A. which making4 w: W% Z; n' R# O
B. and making
; K/ {3 l6 r3 n" _, D3 xC. making, ~1 E8 k8 M' `) b- ^9 t
D. to making
0 ]% G2 f& G; N- \, P `1 L P/ J5 l答案:C
7 I0 h& s# C2 D3 T& F分析:空格前的句子结构完整,这里的分词作状语。A中用which来引导非限制性定语从句,而句中无谓语,错;B中and作为连接词,而and后的句子不完整,没有谓语,错;D错,不定式的结构应该是to do.! E- z) d8 E0 v7 u6 x6 t+ @
参考译文:气泡,裂纹和其他的不规则会使光线穿过受损的玻璃时发散开,使得玻璃闪闪发光。
* k' b* M$ T/ H7 H/ d9 ?补充: stained glass常指教堂的彩色玻璃, ?& t. Z$ q; O6 R1 f0 e8 V
22. Fog is common near _________ inland bodies of water and along coasts in temperate zones.+ J7 H7 R p' N7 n9 {
A. there are large
; _, d" O+ h4 B5 M# I: c$ Q/ b7 |B. large
5 U4 }- W+ ^8 N7 h4 r6 @3 C" sC. either large6 x& `5 `; G: D4 R
D. where large
H2 K6 _& t4 b& S答案:B
, z, a) n) V l. p9 n分析:A使得句中出现两个谓语动词,且中间无连接词,错;C应该是either… or…结构,但句中没有出现or;D中where引导的句子不完整,错。' z5 r! _0 R8 j* ~! s# N
参考译文:雾通常在靠近大型内陆水体和沿着温和地带边缘的地方发生。: K7 ?" `; N% `) l. T3 y/ t$ u
23. The portrayal of everyday life in the objects of folk art makes it _________ valuable source of history.* s7 I7 _1 |" f. @+ m
A. and a5 i# _1 H* F- p
B. so that a( M6 R r T/ D; _+ o
C. a! a8 A* Z/ s8 x& ?7 o+ \' u
D. is a
! |) t5 s' b0 g答案:C2 v! D4 M7 S5 z9 l4 c
分析:make结构,make+n.1/pron+n.2/adj.
0 w6 x7 j& u( p9 | O9 h3 k% ]参考译文:描述日常生活的民间艺术品使它们本身成为有价值的历史来源。, Q3 _% [2 Z+ \7 @0 v
24. _______ by the United States government's Bureau of Labor Statistics, the Consumer Price Index compares current costs of goods and services with past costs.& F7 t, f m; p3 }, s e
A. To prepare
6 `) D" g0 R. d/ h: hB. As it prepared. ?# l/ Z/ W! g/ ]+ Y) z
C. When preparation
4 D$ H2 W! H0 U: Z/ Q: ]# R( RD. Prepared2 J4 K: I3 m9 y3 w8 s/ D- m
答案:D
7 J" X+ B+ @% x( S9 ` C7 r分析:由后半句可以知道句子的逻辑主语应该是Consumer Price Index, 而且空格后是by,所以应该用被动形式,只能选D.
6 j& J2 r2 [5 I' h+ [% I& d参考译文:消费者价格索引是美国政府劳工统计部完成的,它把现在的物品价格跟以前的做了比较。% j% K* L- t+ E m
25. _________ carries the genes, which determine the hereditary characteristics of the cell or organism.
$ H% M: R) n! {2 C& `2 `A. The chromosome
6 B- u- N7 w% _9 {B. The chromosome that
8 h4 `) {3 Q+ ]; L+ OC. Whereas the chromosome
/ C* y- j2 V& i& l1 x+ p. V" @( TD. There is a chromosome5 h$ E. C1 |1 A
答案:A
+ a9 x; Q9 n9 s8 d- x分析:该句是非限制性定语从句,前半句已经有谓语和宾语,缺主语,选A.
- h8 p0 ~( k. T" r7 [参考译文:染色体携带了遗传物质,这些遗传物质决定了细胞和生物体的遗传特性。
J$ n. N* l# q3 \26. _________ directly with most metals to form compounds called carbides.
+ I$ a5 q; Z4 u5 v' jA. Carbon reacting
+ V* U! Q) ?; Q$ A: L6 E% AB. Carbon reacts+ U' d" _" ?9 K9 ~0 a1 L$ Q- }
C. The reaction of carbon. D, p$ A% I2 F2 a* r5 ?$ w
D. When carbon reacts g& t: [& V' z( Q% Q- p
答案:B
+ E* h% `% b2 v, `$ d$ L分析:从句意来看,called在这里不是谓语动词,而是分词做后置定语:…… which are called carbides.空格中缺主语和谓语,选B.3 E, `1 x& U, |. X: H0 w
参考译文:碳直接跟大部分金属反应而形成碳化物的化合物。- c# u, I0 F; h8 B! e$ O p: `6 c
27. Meteorites are slowed down by Earth's atmosphere, but if they are moving _________, they can form a crater on impact./ X9 Z. ~, ^& V
A. enough fast# B8 U6 Y. e" x- c s
B. fast enough+ Z2 \. x# g# D/ u7 j" c' W
C. so fast enough
7 f5 \; n8 {! y& B. Z4 p1 hD enough are fast
4 L/ K: {3 Z s; [: |答案:B
& ~: [6 i5 M, q$ C. p4 U4 W分析:enough的用法,固定顺序:adj.+enough
" {1 Y8 s; G0 A! S2 `参考译文:陨石受地球大气阻挡而慢下来,但如果他们移动的足够快,他们能在撞击后形成一个大坑。
! F, N: |+ D7 H8 V: \/ e28. Located at the upper end of each________ an adrenal gland, an integral part of the endocrine system.
; @) O1 v. R* C& D* {A. kidney which is% I6 _$ a; }2 n& x9 B
B. kidney is
( O0 `9 ~& ~. \7 s; TC. kidney being
9 Z9 _& p$ k- aD. kidney
/ A2 {# u( y# m6 R$ C答案:B2 E5 o. \- ~% v3 F/ |! |
分析:该句为简单句,而且使用了倒装形式,原句为:An adrenal gland, an integral part of the endocrine system is located at the upper end of each kidney.! v- D! _9 R9 l2 ~
参考译文:肾上腺是内分泌系统的一个完整的部分,它位于肾的上端。# f4 U# B- M( R( v. w; y, M
29. About 75 percent of all cadmium is used for cadmium plating of _________ such as iron and steel.1 m3 ~# K- O2 X) ~2 m
A. easily corroded metals
, d* p& f' Y# ~, }B. metals are easily corroded
4 z. E% I8 y+ D. p% BC. corroded metals that easily
7 w' V5 [* k4 R8 A1 z. _) uD. how easily metals corroded: Q+ e, \5 g6 O ~ P
答案:A
, H1 |$ t6 Y3 K; R! s$ r: {分析:B中的are多余,否则句中出现两个谓语,错;C中的that引导定语从句,而从句缺谓语,错;用法错误,of后一般接名词。+ G) U( k" s" l( |, P
参考译文:75%的所有镉金属都用来对类似铁、钢的容易腐蚀的金属进行镉镀膜了。2 p/ q* _( c% L6 _" M$ l! \
30. An atom is a basic structural unit of matter, the smallest particle of an element _________ into chemical combination.2 w0 X7 i; N. u4 [6 V
A. that can enter3 q! I8 J5 _% f, G1 h1 P
B. can it enter5 @$ e/ C2 o* s( [/ q. {* r' ?
C. when entering it can; z0 D' D1 i7 m1 m j9 D, C
D. that enters can
4 E) E4 u+ n# [( q答案:A \9 h. x( w# X6 `
分析:that引导定语从句,element为先行词。the smallest particle of an element 是 a basic structural unit of matter的宾语同位语。/ V+ x5 A% e" j9 b3 S, |/ T
参考译文:原子是物体的基本结构单元,是元素形成化学组合特性的最小的颗粒。 |