Given two permutations, what is the maximum number of swaps it will take to reach one from the other?______
举一反三
- Of the three men one is from Paris, and________ are from London. A: other two B: the other two C: two others D: others
- What is the maximum speed Titanic could reach?
- Ofthe three foreigners, one is from Japan and ___ two are from Korea. A: other B: theother C: some D: any
- Place in the middle box a number larger than 1. If the number is the correct one, all the other numbers can be divided by it without leaving any remainder. What is the number
- —Which of the two T-shirts will you take?—I’ll take () . One is for my brother and the other is for myself. A: eithe B: oth C: neithe D: all