单选题
Many forms of cancer can be cured if detected early.
Aselected
Boperated
Cdeveloped
Ddiscovered
正确答案
答案解析
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:He was later discov- ered to have been a spy.后来发现他原来是间谋。A项selected意为选择;B项operated意为做手术;C项developed意为发展;故选D.