This is the right approach, say all increasing number of psychologists and 10 experts. In a world where sleep is increasingly 11 , single beds may represent the future.10. A. rest B. sleep C. marriage D. family B. Valuable D. worthy10.B根据语境及本文主题可知。与sleep是原词复现。 根据语境及本文主题可知。 是原词复现。 根据语境及本文主题可知 是原词复现
11. A. expensive C. precious
11.C由句意及常识可推出填 由句意及常识可推出填precious(宝贵的 。 宝贵的)。 由句意及常识可推出填 宝贵的