과천외고 영어 오답 점검: not necessarily와 necessarily not의 결론이 갈리는 자리 실전문제

The path was safe last week, but the upper section has not been inspected since the storm. The guide said that it is not necessarily safe today.

The beacon went dark. A loose cable could cause the same symptom, so the keeper said the lamp was not necessarily broken. The cable test was normal; a later inspection found a cracked bulb.

Three shaded seedlings failed to bloom, but all three had received too little water. Two other seedlings in the same shade bloomed after regular watering. The gardener said shade does not necessarily prevent flowering.

A sensor sounded whenever the storage-room door was opened, but it also sounded when its wire was damp. On Tuesday the alarm rang; the supervisor said the door was not necessarily open. The door log showed it had remained locked, and the technician later found moisture in the wire. On Wednesday the alarm rang again, this time while a worker was entering the room; the wire was dry.