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- 共用题干 EarthquakeHow does an earthquake start?What makes an earthquake happen? The rock of the earths...
- 共用题干 Global WarmingFew people now question the reality of global warming and its effects on the wor...
- I have been trying to quit smoking.
- 共用题干 An Intelligent CarDriving needs sharp eyes, keen ears, quick brain, and coordination(协调)betwee...
- 共用题干 Unlocking the Human Genome(基因组)1 A project to unlock secrets一what scientist could resist that ...
- 共用题干 Animals “Sixth Sense”A tsunami(海啸)was triggered(引发)by an earthquake in the Indian Ocean in Dec...
- Have you talked to her lately ?
- At that time,we did not fully grasp the significance of what had happened.
- 共用题干 Forests for CitiesYou are standing in a beautiful forest in Japan. The air is clean and smells...
- A.small number of firms have ceased trading.