(2014·北京海淀模擬)Only by improving education and high science technology can a country become a(n)________one.
A．a(chǎn)dvancedB．bored
C．a(chǎn)stonished 　D．convinced
A
考查形容詞詞義辨析。句意為：只有通過改善教育和提高科學(xué)技術(shù)，一個(gè)國(guó)家才能變得先進(jìn)。advanced高級(jí)的；先進(jìn)的，符合題意。bored厭煩的；astonished感到驚詫的；convinced信服的，確信的。
答案：　A
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