Thomas Malthus published his "Essay on the Principle
8 F# {% n5 y1 H0 g' Bof Population" almost 200 years ago. Ever since then,
: l, ?; B' M0 R6 Vforecasters have being warning that worldwide famine was ____1____ J0 B; t) e8 N. h3 j) k
just around the next corner. The fast-growing population’s
) ?- s! f: y0 J0 `# b. u' j: Ldemand for food, they warned, would soon exceed their ____2____
" K( o2 o+ Q2 Bsupply, leading to widespread food shortages and starvation. ; s: y9 C% i5 }
But in reality, the world’s total grain harvest has risen
% S" f4 m; t, s; n# q( u& esteadily over the years. Except for relative isolated trouble _____3____
7 [2 v. |& X# X0 Z2 x6 jspots like present-day Somalia, and occasional years of
% c ?! z: c! g# u; cgood harvests, the world’s food crisis has remained just ____4____
! c9 Z1 A; ]9 Q9 _5 n4 T+ @around the corner. Most experts believe this can continue ; @0 |5 `* Q: o9 c/ S5 Q
even as if the population doubles by the mid-21st century, ____5____ * d/ w/ m' U7 n# k
although feeding 10 billion people will not be easy for , v- k1 R5 q+ t, s( {+ l
politics, economic and environmental reasons. Optimists _____6____
) E, N" Y5 {; O6 a" {6 ?# u7 Ypoint to concrete examples of continued improvements
/ N+ Q9 a8 A5 D, rin yield. In Africa, by instance, improved seed, more _____7____
# T! |1 h# Y, ]+ B4 v9 wfertilizer and advanced growing practices have more than 1 }) F- c4 v$ q l0 i" J
double corn and wheat yields in an experiment. Elsewhere, _____8____
d) F3 N7 T; v) M) j5 Price experts in the Philippines are producing a plant with few ____9____ F7 s5 `( n; f8 I6 m) W
stems and more seeds. There is no guarantee that plant
! l$ U' M7 b2 z% K1 i8 Z9 t2 N9 mbreeders can continue to develop new, higher-yielding
! X. {0 |. U( P. m- _! C2 ?crop, but most researchers see their success to date as reason ____10____ $ V) H9 u$ \$ w" }6 R( F& c
for hope.
+ _9 Y+ c4 O* Y1 d9 K* j1. being -%26gt; been 1 b& K; W g$ j; U6 z
2. their -%26gt; its
' q( K) c6 Y+ U1 R9 l( Z* A/ R此处物主代词指food，所以要用单数形式的所有格its。
* h+ Q' G5 f/ o. ^: o! C8 H3. relative -%26gt; relatively
' A5 l$ y, T' E& |9 d修饰形容词（此处是过去分词形式）要用副词，所以要把relative改为relatively。 7 D- D; ]1 v9 k$ |* {& O
4. good -%26gt; bad / poor
8 C: D9 g- a7 h, @1 Y5 u从逻辑上说，应该是收成不好（bad / poor harvest）是带来粮食危机（food crisis） 的原因之一，所以应该把good改为poor或者bad。
: B6 a" E) q1 w/ M4 f5. as -%26gt; / - w, C" l( s& G$ k$ H7 I; X
此处是表示“即使”的意思，所以应该去掉as，即even if。 * P" F4 Q4 y* X) m$ L
6. politics -%26gt; political 9 O: `% p) r! H9 D, |- n4 p; O
Politics是名词，修饰名词reasons要用形容词. 1 ^. B1 r) Y0 W4 Y
7. by -%26gt; for . C& J6 [6 Z6 r' ?- S: X
for instance“例如”是固定搭配。
6 B, b" A7 E% z& u) A0 A8. double -%26gt; doubled
4 ~, b" M* n, v- Jhave (more than) doubled
: J' l. B# y7 D% g9. few -%26gt; fewer ( H+ m2 x& H3 ^! u9 g$ T8 o
And连接两个对称结构，此处均比较级：fewer stems and more seeds。
* | f. ?6 T2 g5 S$ y3 r% f# R10. crop -%26gt; crops - u) m" n5 m8 h$ J2 P! V, g* p6 ^
crop意为“庄稼，作物”时是可数名词，要用复数形式。 |
发表于 2012-8-14 10:46:58
