2003年12月大学英语六级考试真题试卷 - 改错

Part IV Error Correction (15 minutes)

Thomas Malthus published his "Essay on the Principle
of Population" almost 200 years ago. Ever since then,
forecasters have being warning that worldwide famine was S1_____
just around the next corner. The fast-growing population's
demand for food, they warned, would soon exceed their S2_____
supply, leading to widespread food shortages and starvation.
But in reality, the world's total grain harvest has risen
steadily over the years. Except for relative isolated trouble S3_____
spots like present-day Somalia, and occasional years of
good harvests, the world's food crisis has remained just S4_____
around the corner. Most experts believe this can continue
even as if the population doubles by the mid-21st century, S5_____
although feeding I0 billion people will not be easy for
politics, economic and environmental reasons. Optimists S6_____
point to concrete examples of continued improvements
in yield. In Africa, by instance, improved seed, more S7_____
fertilizer and advanced growing practices have more than
double corn and wheat yields in an experiment. Elsewhere, S8_____
rice experts in the Philippines are producing a plant with few S9_____
stems and more seeds. There is no plant
breeders can continue to develop new, higher-yielding
crop, but most researchers see their success to date as reason S10_____
for hope.
S1. being-been S2. their-its S3. relative-relatively S4. good-bad
S5. as-去掉 S6. politics-political S7. by-for S8. double-doubled
S9. few-more S10． reason- the reason