精选优质文档-倾情为你奉上Unit 2Reading comprehension1-7 DBACDCC8. very sensitive to red light9. keeping away possible predators10. at full speedHome ListeningI. 1. Only recently2. Some researchers believe that the jumbo squid move further north because the northern oceans are warming, while others think that declining numbers of predators have allowed them to expand their territories. 3. It is the ability of the jumbo squid to radically change its color from reddish-purple to pur