However wealthy we may be, we can never find enough hours in the day to do everything we want. Economics deals with this problem through the concept of opportunity cost, which simply refers to whether someone’s time or money could be better spent on something else.Every hour of our time has a valu...
...lations exposed each other to completely novel diseases. The American peoples got by far the worse end ofthe exchange, through diseases such as measles, influenza and, especially, smallpox.'got by far the worse end ofthe exchange'请问这句话什么意思？
1.例句：There are four rooms in the house, the biggest of which is a drawing room.
翻译：这房子里有四间屋子，其中最大的是一件画室。
分析：在这个非限制性定语从句中先行词应该是 rooms，关系代词是 which。
which 在从句中的...
...拟语气谓语可以不是 have done 而是 did 吗?But what else could they do on that dark winter's day when the last oftheir store of grain was gone, when the trees were cut and sold, when he had
sold everything, even the little they had saved from the flood, and there was
nothing left except t...
(1) The price of gold fell to its lowest level in five years in trading early Monday? For a time, gold was selling at less than 1,100 dollars an ounce on Asian markets.改写成疑问句：How much money was an ounce of gold on Asian markets early Monday?How much money was an ounce of gold selling o...
Our mission will be to build one ofthe best English training schools in China in the future!Our mission is to build one ofthe best English training schools in China in the future!
... underestimate how much can be accomplished just by appealing to people’s sense of moral duty, to their civic duty. 没有翻译，请问老师如何翻译，如何理解how much?第二句：I wrote a formal complaint letter to the school board on how much money is spend on football. 我...
The second tack oftheir argument is to compare the sort of effect seen
in biology-based models of where malaria might spread with both models of and
data on the effects direct intervention against the disease can have.麻烦老师帮忙分析一下句子，特别是这里面的of where, of加在这...
Moreover, the new plants were heavily dependent on the petrochemical industry for fertilizers, so that in the 1970s, when oil prices soared, so did the price of fertilizers, with the result that poorer farmers, who previously had at least eked out a living from the land, were now driven from it.句...
It was to one ofthe performances of this astonishing children’s theater that I went soon after my first visit to the University.请问老师这个句子中it是否作形式主语，如果是的话那it was to 该作何解释呢？
In doing so she reveals the dangers that can lurk in an addiction to work to the exclusion of everything else, including the damage it does to family life. 请问老师，1) to the exclusion of everything else 作结果状语，是吗？2) 从句“that can lurk in an addiction to ...