2. Researchers believe one way to minimizing the damage is to get better at predicting the risk A B C D of fire. 3. Indications that the moon underwent a heavy bombardment(撞击)date back the early A B C D 1970s. 4. Alongside these technical skills we need to extend and refine our social skills. The basis of A B this is to avoid any sense of be a special category of person. C D 5. There is never any need to feel shameless or even childish in wanting to move on to new A B C D experiences. 6. Only occasionally one could take a break out of season, getting the best bargains — A B C though not necessarily the best weather. D |