009. Thousands of tons were extracted before 1875, when it was first noticed that the tar contained fossil remains. Major excavations were undertaken that established the significance of this remarkable site.% A' G) h$ Z6 l& [: L. m$ h. F" b
The word "noticed" is closest in meaning to which of following?
" q! I( ~ N. D2 P(A) predicted( _ q5 J: o" b/ V; z8 h* M
(B) announced% }& E5 g% e( `' s8 J. Y
(C) corrected' p- r* V* ^. s+ D6 |4 ~' p
(D) observed; D0 h% W4 O0 m5 B# I' w u. Y
( W& T4 k2 ?% r; E& d5 o3 R010. Since then, over 100 tons of fossils, 1.5 million from vertebrates, 2.5 million from invertebrates, have been recovered, often in densely concentrated tangled masses.
8 |. y" g: z( ~3 Z* Y- c5 a7 OThe word "tangled" is closest in meaning to which of following?
+ Z/ ~, y8 V2 V(A) buried beneath$ o0 R0 A0 G% ^0 N2 H1 u
(B) twisted together
' ?. V/ a& w! o% \# Y0 F(C) quickly formed8 n; M) B5 [7 c/ s5 u
(D) easily dated' B) ]5 ]8 X$ A3 m, y! W5 O
/ A5 l2 T9 g6 B+ p; \
011. The asphalt at La Brea seeps to the surface, especially in the summer, and forms shallow puddles that would often have been concealed by leaves and dust.' t' K( W* d3 G
The word "concealed" is closest in meaning to which of following? d, ?% V0 k1 J* R, d
(A) highlighted! R8 V5 n+ Q8 g& J% M* x, M
(B) covered
* \4 y; Q+ @ O, Y$ ~' l( C(C) transformed! R) G: [$ R- W* E3 s
(D) contaminated
% c, b* } q( T- i1 H1 z: ~1 M. V9 ^; o4 e6 ^6 j' C" Y4 a
012. The ocean bottom --- a region nearly 2. 5 times greater than the total land area of the Earth --- is a vast frontier that even today is largely unexplored and uncharted, until about a century ago, the deep-ocean floor was completely inaccessible, hidden beneath waters averaging over 3,600 meters deep.
7 ] T) Z+ I5 {" M7 I6 p0 wThe word "inaccessible" is closest in meaning to which of following?6 W# A( r1 h- B9 X& X0 I6 J# c
(A) unrecognizable
& R; p+ j1 b4 a% R(B) unreachable8 C5 ]# i: C* X3 l) @
(C) unusable
+ N% f" {$ @. `" O4 E% e- R! c(D) unsafe
- l) V% B# m1 y: x0 G: X) i6 r5 u2 P- X
009 D' A0 V2 R' h5 d1 [" P; g' `
010 B1 W0 p% V8 \ O- s+ _3 V/ j* {, o
011 B
8 j7 G5 g3 t* t4 S9 T ]* d/ m012 B |
发表于 2012-8-14 22:41:43
