二、下列步驟為 DNA 粗萃取探討活動之示意性步驟。 a. 取水果 100 g 加水 100 ml 以果汁機打碎為實驗混合液(即試液)。 b. 將 5 ml 的 5 M 食鹽水加入試液中,水浴若干分鐘。 c. 將 5 ml 的鳯梨汁加入試液中,水浴若干分鐘。 d. 將 2.5 ml 的清潔劑加入試液中,水浴若干分鐘。 e. 將 2 倍體積的 95%酒精加入試液中。 f. 將試液以雙層紗布過濾,取其濾液。請回答下列問題。
Passage D: Three satellites found that 97 percent of Greenland—the land 26. second only to Antarctica for its
volume of ice—underwent a thaw never before seen in 33 years of satellite 27. , NASA reported Tuesday.
Satellite experts at first didn't trust their readings, especially since they showed an incredible 28. . Over four
days, Greenland's ice sheet—which 29. 683,000 square miles—went from 40 percent in thaw to nearly
entirely in thaw. "This was so extraordinary that at first I questioned the result: Was this real or was it 30. to a data
error?" Son Nghiem of NASA's Jet Propulsion Lab in Pasadena, Calif., said in NASA's statement about the
findings.
【題組】28. (A)maze (B)deflation (C)journey (D)acceleration