Where is Paul’s family going over the holiday?这是2019版人教版高中英语新教材必修一的 Unit 2（p24）的句子。请问为什么用介词over，可以改用in, on 吗？over the holiday, on the holiday, in the holiday有什么区别？
题目讨论:_____ (interest) in nitroglycerine, over the years, Alfred himself
performed so many experiments to make sure it could be put into practical use
in construction work.A. Being interested B. Having been interestedC. Interested答案给的C，请问A,B可以接受吗？如果可以，这...
...语法大全的p1268页有这样两个句子：He died and he
was buried in the cemetery. He was buried in
the cemetery and he died. 夸无认为，上面的两个例句显然有不同的含义。第一句的意思我明白，但第二句就不明白了。怎么会先“埋”后“死”呢？活...
...正确吗?Silty clay was obtained from the experimental road (Figure 1), at which locates latitude 44.896407° N, and longitude 126.559129° E, and elevation 207.51m.
Sir Alexander Fleming did not, as legend would have it, look at the mold on a piece of cheese and get the idea for penicillin there and then. 这句话怎么理解呢？as引导的是什么句式，怎么翻译呢？
Customers can hold their bowls at the other end of the pipe while so that they can receive the milk being poured by the milkman into it without any interaction between the two.这里while so that怎么理解？
...Unless I have to be out of town,
each week I take my mother to do her shopping and visit the doctor, providing company
and transportation. During the week, however, she likes to go to a nearby store
to buy some small things she needs.Last week she walked up to the store, but when she
went to pay for...
...ot.将2)改为:2a) Inventing the industrial robot is credit to the company.和2b) The inventing of the industrial robot is credit to the company.我想请教老师：1）和 1a) 含义究竟有什么区别?2) 和 2a)和2b)含义又究竟有什么区别？另外，我的改动1a), 2a), 2b)是否正...