それでは、本日のレッスンを始めて行きましょう！
分からないときは先に【英文和訳＆語彙解説】を確認してから問題に取り組んでください。時間を置いてから解いてみると効果が実感できます。
【問題】
以下の選択肢から適切な英単語を選んで空欄を埋めてください。
1.
If infrastructure is not properly maintained, it can ( ) over time, leading to safety concerns.
allay
deteriorate
subvert
deter
2.
With rapid technological advancements, some devices quickly become ( ) , making regular upgrades necessary.
profound
widespread
obsolete
authentic
3.
Environmental ( ) measures aim to reduce the negative impact of human activities on ecosystems.
mitigation
gist
backlash
preservation
4.
Completing the introductory course is a ( ) for enrolling in the advanced level class.
recipient
prerequisite
advocate
prudence
5.
During a presentation, it is crucial to focus on ( ) information that directly relates to the topic at hand.
tepid
gullible
imprudent
pertinent
