In Britain, for example, many of our best-loved farmland birds, such as the skylark, the grey partridge, the lapwing and the corn bunting, have vanished from huge streches of countryside, as have even more wild flowers and insects.书上说as指代“have vanished from huge streches of countryside...
They don't tell the truth, not the whole truth about youth in America.For, notwithstanding the poignant tale of suburban D.C . seniors sweating over a calculus quiz, or the lurid complaints about homework, the actual habits of most teenagers in most schools in this country display a wholly contr...
原句是: After the Soviet Union collapsed in 1991, many in St. Petersburg could no longer afford to care fortheir cats, and so the Hermitage decided to adopt some of the stray cats to add to the descendants of the original cats brought from the city of Kazan 100 years before that.
Although alcohol use is illegal for all those under the age of 21, 87 percent of high school seniors report using alcohol, more than half in the past month.老师好，more than half in the past month省略了什么成分？
It’s also the biggest producer of a toxic effluent that’s the byproduct of slaking the desert kingdom’s thirst for water. 这里的a toxic effluent,effluent作为可数名词是污水废水，那么前面加a是要理解为一种有毒废水？
But in no other context would the contrast between asset prices and the present condition of labour markets cause as much discomfort for those who are missing the party.老师您好，请问这句话该怎么理解呢。
...章中有一句话，we need nature as much as nature needs us。It didn't for a long time，until we hurt it so badly that it can't save itself。这句话我有两个问题，1.…it didn't for a long time, 我认为这里不应该使用否定，应该使用肯定才符合语义。2. Didn't后面...
...es，are most at risk from these effects because the Internet is important fortheir studies and because they are just entering （a）world where their online habits are no longer monitored by concerned parents. 中为什么world前用a而不是the呢？
我认为the:(1)从上文可以看出world...
Yet some experts don’t expect a children’s vaccine will be ready by the 2021 school year because of how long trials take, even on the accelerated timeline for Covid-19 vaccines. 黑体字是间接感叹句，还是，名词性关系分句？
...：If the greedy little Gradgrinds grasped at more than this, what was it for good gracious goodness' sake, that the greedy little Gradgrinds grasped it!求指教！老师，请问that从句是指代前面的 it 吗？what was it中what和it哪个是主语呢，这里使用感叹号而不是问号...
Project scientists looked for a ring of light around an area of darkness representing the black hole. This is known as the black hole's shadow or silhouette.第一句中分词representing的逻辑主语是谁？
...that’s best done on the basis of sound facts and science, the foundation forthe coverage you’ll find in this special issue.问题：老师，best和done在句中是什么词性？什么语法成分？是that's best/ done on the……，还是that's best done/ on the……？