________from space, the earth, with water_____seventy percent of its percentage, looks like a “blue ball.”
A.Seen; coveredB.Seeing; coveringC.Seeing; coveredD.Seen; covering
D

試題分析:考查非謂語(yǔ)動(dòng)詞:句意“從太空看,有70%的水覆蓋它表面的地球就像一個(gè)藍(lán)色的球。第一空 過(guò)去分詞作條件狀語(yǔ) 它和主語(yǔ)the earth的關(guān)系是被動(dòng)關(guān)系,第二空是過(guò)去分詞作狀語(yǔ)。第二空是with的復(fù)合結(jié)構(gòu)。Water和cover這里是主動(dòng)關(guān)系,用現(xiàn)在分詞做賓語(yǔ)補(bǔ)足語(yǔ),選D。
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