Mr Brown is a(n) _____ secretary in our office, for he is able to do tasks successfully, without wasting time and energy.
A．effectiveB．efficientC．flexibleD．sufficient
B

試題分析：考查形容詞辨析。A有效的；B高效的；C靈活的；D充分的；句意：布朗先生是一個很高效的秘書，因?yàn)樗軌虺晒ν瓿筛鞣N任務(wù)，而且不浪費(fèi)時間和精力。根據(jù)句意說明B正確。
點(diǎn)評：本題重在理解好句意。對于詞義辨析題目，首先可以從句意著手，看懂句意是解答此類題目的關(guān)鍵，其次四個選項的意思也要了如指掌。這對于平時學(xué)生的學(xué)習(xí)仔細(xì)度提出了要求，學(xué)生在平時的學(xué)習(xí)中要勤積累，多記憶，多查字典，以便在考試時能夠迅速準(zhǔn)確的答出。
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