フリー問題

問題文

A pool that spans twenty units loses one of them, and the operator asks why the recovery involves so many machines. Which pair states what the outward design spreads and what the upward design preserves?

選択肢

1. The documentation for the two growth designs weighs both costs, so the outward design spreads the whole rebuilding and the upward design keeps the plain locking in that review.
2. The documentation for the two growth designs weighs both costs, so the outward design spreads the whole marking and the upward design keeps the plain locking in that review.
3. The documentation for the two growth designs weighs both costs, so the outward design spreads the whole marking and the upward design keeps the plain layout in that review.
4. The documentation for the two growth designs weighs both costs, so the outward design spreads the whole rebuilding and the upward design keeps the plain layout in that review.