과천외고 영어 내신 공부법: 확인된 반례와 미관측 구간을 나눠 선지 판정하기 실전문제

Three shaded trees kept their leaves through the heat. A fourth shaded tree, whose roots had been damaged earlier, lost most of its leaves. The gardener said shade may help when roots remain healthy.

Two boats used the eastern channel quickly on Monday. On Tuesday the gate to that channel closed for repairs, so another boat turned back and arrived late. The guide said the channel saves time only when the gate is open.

A weather station measured twenty clear mornings. All twenty readings were lower than an old estimate. The newspaper wrote that the old estimate was always too high, although the station had collected no storm-day data.

A gallery interviewed everyone who entered its new room on Saturday, and every interviewee praised the lighting. Several visitors waiting outside left before the room opened. On Sunday a second group was invited from the waiting line, including people who chose not to enter; their responses were mixed. The curator reported that Saturday's entrants had praised the lighting, but refused to generalize the result to all visitors.