已知pets = [‘ant’, ’dog’, ’cat’, ’bird’]，要对该列表中的元素排序应该使用下列哪个方法？ A: pets.sort( ) B: pets.reverse( ) C: pets.extend( ) D: pet.insert( )
已知pets = [‘ant’, ’dog’, ’cat’, ’bird’]，要对该列表中的元素排序应该使用下列哪个方法？ A: pets.sort( ) B: pets.reverse( ) C: pets.extend( ) D: pet.insert( )
The pets have to travel in _________ .
The pets have to travel in _________ .
Some people love pets and regard them as friends ________ other people dislike pets and think they may cause diseases.
Some people love pets and regard them as friends ________ other people dislike pets and think they may cause diseases.
These pets ______ a lot of care and attention.
These pets ______ a lot of care and attention.
The most popular pets in America is ( ).
The most popular pets in America is ( ).
下面代码执行后结果是： def reverse(s): return reverse(s[1:])+s[0]) reverse("ABCD")
下面代码执行后结果是： def reverse(s): return reverse(s[1:])+s[0]) reverse("ABCD")
reverse
reverse
What is one of the purposes of pets in the United States?
What is one of the purposes of pets in the United States?
How many pets does Kevin have?
How many pets does Kevin have?
Pets must be healthy if you travel with them.
Pets must be healthy if you travel with them.