The impossible bridge

This task is about looking for important information and finding the main idea of a text.
Read "The Impossible Bridge" by Jane Buxton.
 

Question

a)  Choose the two pieces of  information that are most important to this text.

    • Strong bridges can be made from card.

    • Emma used the internet.

    • A truss can make a bridge really strong.

    • The first bridge bent in the middle.

    • The suspension bridge was awesome.

    • Different shaped bridges can be made from card.

Question

b)  What is the main idea of this text?

    • Card is good for making bridges.

    • Several types of strong bridges can be made from card.

    • The triangle bridge made of card and ice block sticks was the strongest one.