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- 共用题干 Narrow EscapeWe had left the hut too late that morning. When we stepped outside,the sky beyond...
- The news will horrify everyone.
- The storm caused severe damage.
- 共用题干 The Forbidden AppleNew York used to be the city that never sleeps. These days its the city tha...
- 共用题干 The Greatest Mystery Of WhalesThe whale is a warm-blooded,air-breathing animal,giving birth to...
- The city centre was wiped out by the bomb.
- 共用题干 Eastern Quakes Can Trigger Big ShakesIn the first week of November 2011,people in central Okla...
- 共用题干 Solar StormAt the end of October 2003,a sudden solar storm hit the earth.A solar storm refers...
- 共用题干 Earths Inner CoreScientists have long struggled to understand what lies at the planets center....
- 共用题干 第二篇Where Have All the Frogs Gone?In the 1980s,scientists around the world began to notice some...