問題詳情

第 15 至 19 題為題組    Many people at some point in life have white spots on their fingernails. One of themost common causes for these little white spots is a condition called leukonychia.Although the name sounds pretty serious, the condition typically 15 . And whilemany people think the white spots are caused by a calcium or zinc deficiency, that’sgenerally not the case.    In reality, these spots most often develop 16 mild to moderate trauma to yournail. If you can’t think of anything that would have injured your nail, consider the factthat nails grow very slowly, so the injury 17 weeks before the spots ever appeared.The spots could also be a sign of a mild infection or allergy, or a side effect of certainmedications.     18 the source of the injury, these spots typically do not require any treatmentand should go away as your nail grows out. And they should not return unless you sufferanother injury to a nail. However, this generally 19 when only a single or a fewnails are affected. If all of your nails are showing white spots, the leukonychia could berelated to another more serious condition such as anemia, cardiac disease, diabetes, orkidney disease.
15.
(A) isn’t
(B) doesn’t
(C) couldn’t
(D) wouldn’t

參考答案

答案：A
難度：適中0.5
統計：A(18),B(16),C(1),D(0),E(0)

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