問題詳情

第 16 至 20 題為題組Many people at some point in life have white spots on their fingernails. One of the most commoncauses for these little white spots is a condition called leukonychia. Although the name sounds pretty serious,the condition typically 16 . And while many people think the white spots are caused by a calcium orzinc deficiency, that’s generally not the case.In reality, these spots most often develop 17 mild to moderate trauma to your nail. If you can’tthink of anything that would have injured your nail, consider the fact that nails grow very slowly, so theinjury 18 weeks before the spots ever appeared. The spots could also be a sign of a mild infection orallergy, or a side effect of certain medications.19 the source of the injury, these spots typically do not require any treatment and should go awayas your nail grows out. And they should not return unless you suffer another injury to a nail. However, thisgenerally 20 when only a single or a few nails are affected. If all of your nails are showing whitespots, the leukonychia could be related to another more serious condition such as anemia, cardiac disease,diabetes, or kidney disease.
16.
(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(0),B(0),C(0),D(0),E(0)

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