A．coolB．nuclearC．StarD．Cold

A．warmB．hotC．coolD．cold

To stay warm in cold weather, cold－blooded animals must expose itself to a source of warmt

A long journey in cold weather is dreadfully

共用题干The Cold PlacesThe Arctic is a polar

共用题干The Cold PlacesThe Arctic is a polar

A long journey in cold weather is dreadfully