...“必修一”第18页：It is not unusual for
teenagers of your generation to be attracted to computer games and the online
world. But spending too much time online is unhealthy and makes it very
difficult to focus on other things in life.我的困惑在于But不是转折连词嘛，不是“句...
...,
scientists got a photo of a black hole.
A. At
B. In C. On D. With
【答案】D 意：随着当代科技的发展，科学家们拍到了一张黑洞的照片。【解析】A.
At在……；B. In在……里面；C. On在……上；D. With随着，带有。With
the help ...
...at time具体指的是哪个时间（段）？The current fighting started on September 27. It has been described as the worst in the territory since the early 1990s. At that time, as many as 30,000 people were killed before Russia helped negotiate a halt to the fighting. The ceasefire agreement lef...
That
was shortly after the Biden administration announced, on February 5th, plans to
use the Defence Production Act (DPA)—legislation that grants the president
broad industrial-mobilisation powers—to bolster vaccine-making.既是use的目的状语，又是powers的定语？谢谢各位老师！
Anyway, the stories went on even while the coffin was being lowered into
the grave. People held handkerchiefs to their eyes, but their tears were tears
of laughter, not sadness. Afterwards, there was a funeral breakfast, by
invitationonly. It was attended by
twelve of Henry's closest friends. Henry...
Original text:Snakes did not acquire their poison for use against man but for use against prey such as rats and mice, and the effects on these of viperine poison is almost immediate.有点迷惑effects后面的 is.例如：Economic effects of such high speed change are also unpredictable and somewha...
...以前的地方；回到以前的地方She was the one who had fired him from his first job back in South Africa . 她就是以前在南非的时候炒他鱿鱼、使他失去第一份工作的人。 【柯林斯COBUILD高阶英汉双解学习词典】back词条：back ： (表示描述场所...
...sp;about 2000 years, cut paper may came from Han Daynsty, after the innovation of paper. After that, It has been popular over a lot of areas. The material and&n...
It was Sunday before he saw Mouse again. He was painting the garden shed for his dad when Mouse came racing along on his bike.根据以上句子提供的语境，请翻译黑体部分，并解释before的词义和用法。
It seems to me that it would be wrong to ban testing on animals for vital medical research until equally effective alternatives have been developed.问题1:为何这里用it would be，可以直接用 it is吗？如果可以的话，区别在什么地方呢？问题2:为何这里使用have been done...
Unable to tell whether someone really objects to behavioral ads or whether they are sticking with Microsoft's default, some may ignore a DNT( do not track ) signal and press on anyway.请问老师，1.开头的unable to tell ... 是形容词从句作状语吗？2.怎么理解形容词从句作...
...g within this five mile radius.这里mile为什么不加s？句2：You are on top of wherever it is they are keeping her.你在他们劫持她的地方。对于这个句子中of后的成分分析我有以下疑惑：1.of后的成分是否为强调句：强调wherever然后省略了that？请教老...