9.Polar bears need _____________ conditions, so they are also suffering because of globalwarming.
举一反三
- Polar bears need ________ conditions, so they are also suffering because of global warming. ( freezing / melting)
- Polar bears (北极熊) need ______ conditions, so they are also suffering because of global warming. A: comfortable B: unfortunate C: warm D: freezing
- 8.Polar bears need(freeze) conditions, so they are also suffering because of global warming.
- By saying "Spring is usually prime food time for 1,200 polar bears" ( Line 1, Para. 1 ), the author means that ______. A: spring is usually a good time for polar bears to carry out their mating rituals B: the polar bears usually eat a lot in the spring C: spring is generally a good time to hunt polar bears D: polar bears usually hibernate in the spring
- How is the future of polar bears?