...anda who's done some experiments with blackbirds living in urban and rural areas.请问此句中的Then over应该怎么理解，能从句意大概知道是此后的意思，是否可以将这里的Then理解成副词表示此后，over理解成副词表示跨过，越过的含义。
A center of heavy industry in China since the 1930s, and the spearhead of the Chinese central government's Northeast Area Revitalization Plan, the city has been diversifying its industry.请问老师，这句话的句法成分怎么划分？
A:it says some people are generous. it makes them feel good to share things with others. B:yeah ，I agree. A:I'm generous. B:yes,you areA:you've eaten up my breakfast!B:but this would make you feel good. 最后一句中的would是虚拟语气还是表示过去将来
The area is dotted with factories.It also has holiday inns dotted around the whole island. 老师第二句话中的it指的是什么？还有have sth dotted是"使…装饰…""还是dotted理解为inns的后置定语?
...President Harold Shapiro to report back to the White House in 90 days with recommendations for a national policy on human cloning. （1999年卷）他宣称自己反对利用这种非同寻常的畜牧技术去克隆人，他还下令禁止使用联邦资金做这样的实验——尽管没有人提...
...ns.Fairly close to where refreshments are available, there's a dog-walking
area in the southern part of the park, leading off from the path.想问下这里lead off是固定搭配吗还是lead是动词，off是副词？off的用法是？
...patches of 应该加上 greens 才对？[可数名词](British English) an area of grass, especially in the middle of a town or village （尤指城镇或村庄中心的）草地，草坪，公共绿地Children were playing on the village green.孩子们在村中心的草地上玩耍。
... Having hunted close to extinction, the rhino is once again common in this area.此处 却等于 （Although it had been hunted .......为什么不用 ....has been hunted）
Consider,for example,students who live in remote areas without roads or funds to pay for tuition to attend a school far away,an Internet connection solves this.（远程教育的好处）这个consider在这里做祈使句的谓语，students做宾语，就已经是完整的主句了，为什么逗...
The heap is the runtime data area from which memory for all class
instances and array is allocated.这里的which指代什么，还是说只是直译成哪个？from应该怎么理解，在这句话里。为什么最后class instances and array不是用are而是用is?
...的含意：During this colonial time period missionaries emigrated to all areas ofChina, visiting small villages, distributing Bibles, offering divine salvation and preaching the word of God. A unanimous decision was made by many faiths to attempt to enrich the lives of others and to present the el...
...ncrete ways people have been doing this is by cleaning up polluted habitat areas and then replanting flowers that humming birds feed on.这个句子的简要结构是one of way is by cleaning ...and then replanting .这里介词by感到多余。为什么不能说“one of way is ...
The government used to provide a regular supply of relief grain for that backward area.请问,提供救济粮给落后地区,表示对象,为什么用for而不是用to呢? 另外还想问一下,此处 a regular supply of relief grain 可以倒过来写作 relief grain's regular supply 吗?