[1-3] 밑줄 친 단어의 뜻으로 가장 적절한 것을 고르시오.
1. Truman tried to continue Roosevelt’s conciliatory approach to the Soviet Union, but by 1946, he had adopted a much tougher policy toward the Russians.
① obligatory
② strict
③ cursory
④ placating
⑤ uncompromising
2. Tony Blair’s bubble was marked by lopsided growth, historic inequality and a lackluster private sector.
① gloomy
② astute
③ vigorous
④ dull
⑤ robust
3. Chemical compounds common to blueberries, tea and other foods can shore up memory and boost brainpower.
① brush
② avert
③ alleviate
④ concede
⑤ bolster