初二英语任务性阅读（要有详细答案哦!）

A Tree Is a Plant
Leaves
The leaves on a tree use sunlight and air to make food.Leaves help clean our air,too.
Branches
A tree's branches give the tree shape.They carry food to the tree.
Roots
The roots take water from the ground to the tree.Roots hold the tree in place.
Bark
The bark is the hard skin on the outside of a tree.The bark protects the tree.
Q1.Which part of a tree helps clean the air?
A:The leaves.
Q2.Which part of a tree gives the shape?
A:The branches.
Q3.Which part takes the water from the ground to the tree?
A:The roots.
Q4.What is the hard skin on the outside of a tree?
A:The bark.
Q5.Why the trees need sunlight?
A:They need sunlight to make food.