第4题:[单选题]Many forms of cancer can be cured if detected early. A.selected
B.operated
C.developed
D.discovered 参考答案:D 题干意为“如果发现得早,很多癌症都能被治愈。” 句中划线词意为“发现,发觉,查明”。D项discovered意为“发现”;例句:The fact is that he did not discover it.事实是他没有发现它。A项意为“选择,挑选”;B项意为“做手术”;C项意为“发展”;故选D。