почему два куска мела не соединяются в одно целое соприкосновении, а два куска пластилина соединяются

Составить задачу по этому выражению 42+(42+14)+42:2

Встав a/an, any чи some.
We have got-------oranges.
There isnt-------bread.
I want-------bar of chocolate,please.
Lets drink-------apple juice.
Have-----apple!
Have you got---------sausages?

Помогите срочно перевести этот текст,зарание Спасибо

Our planet is home to a vast collection of animals.They live everywhere.Animals are all around us,so it is easy to think that we know exactly what animals are.But some animals have fur or feathers,others have shells or scales,while many have no hard body parts at all.Animals often have eyes,ears and legs.Firstly,animals' bodies are made of lots of cells.These cells work together,like a team.Secondy,unlike plants,animals need to eat.