分析 【文章大意】這篇文章是一篇說明文.文章介紹了地球上的生物是由細(xì)胞組成的,不同的細(xì)胞有著不同的作用.我們的皮膚細(xì)胞更是這樣.它能變大來填補由皮膚傷口造成的縫隙,從而使傷口痊愈.
解答 36.A.推理判斷題.這篇文章主要介紹了人體皮膚的作用,重點介紹了皮膚上的傷口愈合的過程.所以由此推斷這篇文章應(yīng)該是來源于一個科學(xué)網(wǎng)站上面.故選A.
37.C.細(xì)節(jié)理解題.根據(jù)文章:New skin cells are right under the surface.These are the living skin cells.可知新的皮膚細(xì)胞在表層的下面.這些是活生生的皮膚細(xì)胞.故選C.
38.D.詞義猜測題.根據(jù)上文:Surface skin cells fit together closely 可知細(xì)胞是緊密連在一起的,沒有間隙.故選D.
39.A.細(xì)節(jié)理解題.根據(jù)文章:First,the cells near the cut get bigger and move into the gap.可知首先,傷口附近的細(xì)胞會變得更大,進(jìn)入縫隙.故選A.
40.B.細(xì)節(jié)理解題.根據(jù)文章:Finally,new cells will grow until the gap disappears completely.In this way,your skin can grow and get well itself.可知當(dāng)細(xì)胞之間的縫隙填滿,皮膚越來越好了.故選B.
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