是的,在家里也是可以做,因为这属于开卷考试,但是题却很难,就算是开卷考试,有时候要是不理解你也找不到答案的,需要自己求解的。
Yes, you can do it at home because it is an open-book exam, but the questions are very difficult. Even if it is an open-book exam, sometimes you can't find the answer if you don't understand it, and you need to solve it yourself.