题目内容

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.

查看答案

搜索结果不匹配？点我反馈

更多问题

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.

查看答案

根据酸碱质子理论，下列哪种是碱

A. H3O+
B. Ac-
C. H2O
D. HPO42-

查看答案

根据酸碱质子理论，下列哪种是酸

A. H2O
B. HPO42−
C. NH4+
D. Na+

查看答案

根据酸碱质子理论，下列哪种是两性物质

A. S2-
B. Ac-
C. H2CO3
D. H2O

查看答案