フリー問題

問題文

Before the aquarium may run that Exception Task at all, it has to check a number of things, and it counts them. It is separately reading the value that sums up how deliverable each address is, and it asks how firmly that value settles the question. Which pairing states both correctly?

選択肢

1. The things to check before an Exception Task may be run are a quintet, and the value that sums up how deliverable an address is amounts to an estimate.
2. The things to check before an Exception Task may be run are a quintet, and the value that sums up how deliverable an address is amounts to an absolute.
3. The things to check before an Exception Task may be run are a quartet, and the value that sums up how deliverable an address is amounts to an absolute.
4. The things to check before an Exception Task may be run are a quartet, and the value that sums up how deliverable an address is amounts to an estimate.