Global warming could be a matter of life and death to polar bears, （因为它威胁着它们的生活环境）.
举一反三
- Due to global warming, thefor polar bears is shrinking, causing the number of polar bears to keep decreasing. A: habit B: habitat C: apparatus D: habitant
- Polar bears need ________ conditions, so they are also suffering because of global warming. ( freezing / melting)
- The polar bears are the most ______ to global warming. A: capable B: available C: movable D: vulnerable
- life and death, very few of us can remain as calm as he did. A: Being a matter of B: As a matter of C: In the matter of D: on a matter of
- Polar bears (北极熊) need ______ conditions, so they are also suffering because of global warming. A: comfortable B: unfortunate C: warm D: freezing