第九篇： Error Correction (15 minutes)
' \4 }2 n6 T$ }& Z8 ~) ESome people, in all seriousness, say that# I& R9 [& m/ b& }6 q+ y
humans will be living in space within the next
/ U% A$ G. c6 ]3 ?' d; h( A" `3 Khundred or so years. Planet Earth will be crowded,
. w0 [/ u" A: p1 ?4 I# hdirty and lack of resources. A sort of exodus --71.2 J6 N6 I& V# q- k
(移居) of mankind will begin.
, `+ W& s4 \9 F+ ~1 dSpaceships will be assembled so that they * ~+ ]6 |: q$ N, J, _& T. V9 O
revolve around the earth. Some may orbit around3 o" B4 H4 }+ S) t3 J+ N! `
Mars. These space stations will be serviced by
" {! D% P% [8 d- |space buses. We saw the first space bus launch in --72.
3 l; ^4 D8 E! l" z- vApril 1981. This was "Columbia", it made several --73./ ^6 Q3 q5 B! K& C" _8 n. n) d
orbits around the earth and then returned, landing
2 z: }0 H- P9 l% x! don a huge dry lake bed in California. "Columbia"
: s7 j# d4 u$ N& t( H; K% I+ L: Hwill be used again. previous spaceships have % A7 ]# a' d! y3 j$ m7 I
been abandoned, only the nose cone being used( o& e2 x' Q. v3 T( v. r3 L% m+ n; R
to bring the crews back to earth. --74.+ W" x- T% Z" l" N
Upon established, each space station will --75.
8 P7 ?# }; t; N O# i* lgenerate its own atmosphere and have its own
" F( Y4 i! @1 o. ragriculture. it will need to rotation to provide --76.' b. r- J m6 \9 s0 X9 s) O- R/ U4 q
an artificial gravity; people will be forced inwards --77.& u3 y# E0 `" Y& P7 D) y( r
from the center by centrifugal（向心的）force.
' f D; G, b0 y U. hThe moon and Mars could become new sources of 8 j- N) y N4 R6 Y4 i$ \
new materials. Driving through space will no --78.
% R0 L* w' V6 b) G6 D/ Tlonger need Earth fuel-the energy would come
4 [- d7 ]+ X2 }7 Ifrom the sun. This energy would be converted from --79.
* V8 O5 L q$ celectricity to work magnetic rockets.
, `0 N! {4 w, G/ {) j% F0 I9 yThat all sounds quiet fantastically but, with --80., v. K3 B' S3 x0 [( a
the rapid development of modern technology, who
! f( e) |8 S8 K5 E7 Y3 Q2 _2 {/ v4 gknows about what the future holds?
( f& F# k. J- B+ L答案：' \" F' D+ L j( K
71. sort -- short8 `6 P% T* }5 k/ a6 \) _. ?7 A
72. launch -- launched
0 p" J ~, g7 E* \0 y! v73. it -- which
/ M B/ ?" E' B& v/ u* h7 K# f74. crews -- crew. r4 E# h- w( y* C
75. Upon --- Once
# U2 n+ A8 p* W76. rotation -- rotate
9 d! e* c' l" s w' x* ^) f77. inward -- outwards2 E; z# `4 ~( K+ }' x L
78. will -- would* c3 S# {* F' u4 p
79. from -- into
" J$ v! `+ @* u k80. fantastically -- fantastic |
发表于 2012-8-14 10:46:58
