【題目】Evidence obtained from observation and experiment is often used to ______ a scientific theory.

A.confirmB.concludeC.consultD.confuse

【答案】A

【解析】

考查實(shí)義動詞辨析。句意：由觀察和實(shí)驗(yàn)得出的證據(jù)通常被用來證實(shí)科學(xué)理論。A. confirm證實(shí)；B. conclude得出結(jié)論；C. consult 咨詢，請教；D. confuse使更難于理解。根據(jù)常識可知，科學(xué)理論是需要觀察和實(shí)驗(yàn)得出的證據(jù)來證實(shí)，故選A。

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