What you eat and drink from childhood on is （） to the amount of calcium in your bones.A.

A.What did you eat last night

B.What are you eating

C.What is Darning going to eat

A.What do you want to eat

B.What are you eating

C.What do you want to drink

A.What can you do

B.What do you do

C.What would you like to eat

What is metabolism concerned with？

A．How adequately you eat your food.

B．How active you are in exercising.

C．How energy is produced in your body.

D．How fast you use energy from food.

A.to what I eat

B.for what I eat

C.to what do I eat

D.for what do I eat

A.that

B.which

C.what

D.Whatever