フリー問題

問題文

On the night the clocks change, the daily figure that the maker keeps and the daily figure on the provider bill are one hour apart, and they agree again the next day. The finance team asks for one sentence about the pair. Which sentence settles it?

選択肢

1. In this measurement the magnesium window is closed at midnight as the provider counts it, whereas the steel book is closed at midnight as the maker counts it.
2. In this measurement the copper window is closed at midnight as the provider counts it, whereas the steel book is closed at midnight as the maker counts it.
3. In this measurement the copper window is closed at midnight as the provider counts it, whereas the nickel book is closed at midnight as the maker counts it.
4. In this measurement the magnesium window is closed at midnight as the provider counts it, whereas the nickel book is closed at midnight as the maker counts it.