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- 共用题干 The Smog(烟雾)For over a month,lndonesia was in crisis.Forest fires raged out of control as the ...
- Did anyone call when I was out?
- 共用题干 Black HolesMost scientists agree that black holes exist but are nearly impossible to locate.A ...
- 共用题干 Travel Across AfricaFor six hours we shot through the barren(荒芜的)landscape of the Karoo desert...
- 共用题干 An Intelligent CarDriving needs sharp eyes, keen ears, quick brain, and coordination(协调)betwee...
- 共用题干 第一篇Pushbike DangerLow speed bicycle crashes can badly injure一or even kill一children if they fal...
- These animals migrate south annually in search of food.
- 共用题干 第一篇Pushbike DangerLow speed bicycle crashes can badly injure一or even kill一children if they fal...
- 共用题干 A Star Is Born1 The VLT (Very Large Telescope) is the worlds largest telescope(望远镜)and is taki...
- He asserted that nuclear power was a safe and non一polluting energy source.