From the moment you wake up, you are surrounded by inventions. Blankets (毯子), light bulbs, and even crayons all help to give us an1life than before.
Inventors think about people's needs, and then try to2an answer. When an inventor noticed how inconvenient(不方便) big umbrellas were, he invented a3one that would fit in a bag.
Post-it notes(便利贴) were invented by chance4someone made a glue that didn't stick properly. You could stick down a piece of5peel (撕) it off, and then re-stick it！
Some inventions are just for fun. The6Frisbees (飞盘) were empty pie pans elonging to a baker(烘焙师) called Joseph Frisbie. When some of his customers threw the pans to each other in the park, the7for the Frisbee was born. The building toys Lego was invented to8children to build things, not destroy them! You can use them to make all sorts of inventions!
Do you know which toy is 6, 000 years old? Dolls are9the oldest toys of all. They have been made of all sorts of materials wood, metal, paper and china. Barbie first went on sale in 1959.
Inventors study plants and animals to see how they have10their problems. Others look at ideas from other places or from the past. Very few ideas come out of nowhere.
