中国的国土面积是日本的25倍，人口是日本的10倍。
A. China is 25 times the size of Japan, its population 10 times.
B. China is 25 times as big as Japan, its population 10 times as Japan.
China is 25 times Japan, its population 10 times Japan.
试行新的技术之后，此区域的小麦产量是之前的三倍。
After adopting the new technology, wheat yield in this region is 3 times what it was before.
B. After adopting the new technology, wheat yield in this region is 3 time before.
C. After adopting the new technology, wheat yield in this region is 3 times that of before.
D. After adopting the new technology, wheat yield in this region has been tripled.
令人惊讶的是工厂劳动人员减少了四分之一，产品产量却增长了将近一倍。
A. What is surprising is that with a one fourth reduction in workforce, the production almost doubled.
B. What is surprising is that with a reduction by a factor of 4 in workforce, the production almost doubled.
C. What is surprising is that the number of workers reduced by one fourth, the production increased almost twice.
D. What is surprising is that the number of workers reduced to one fourth, the production increased almost twice.
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