The main idea of this passage is that ( ).
A.many animals die during hibernation B.hibernation protects animals during the wintertime C.scientists feel puzzled about hibernation D.some bats hibernate and others do not正确答案C
The main idea of this passage is that ( ).
A.many animals die during hibernation B.hibernation protects animals during the wintertime C.scientists feel puzzled about hibernation D.some bats hibernate and others do not正确答案C
