The surprise findings _______ some previous studies that have suggested mobiles can cause Alzheimer’s and brain cancer.
A．conveyB．contradictC．conductD．confuse
B

試題分析：考查動詞詞義辨析。A傳達，傳遞；B反駁，否定；C引導(dǎo)，帶領(lǐng)；D使…困惑；句意：這些令人驚訝的發(fā)現(xiàn)否認了前面的發(fā)現(xiàn)，原來的發(fā)現(xiàn)說明手機可以導(dǎo)致老年癡呆癥和腦癌。根據(jù)句意說明B正確。
點評：動詞的詞義辨析要放在上下文的語境中進行，要注意上下文的語義的串聯(lián)以及邏輯關(guān)系的推理，特別要注意一些動詞的固定搭配以及動詞的深層次的含義的區(qū)別。
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