5.On Sunday,April 22,people all over the world take time out to appreciate(珍惜)the earth that we all share.It's Earth Day,a special day to learn about our planet(星球)and how to take care of it.
On Earth Day,some people listen to speeches about the environment.Others help clean up their offices or save water and electricity at home.Your parents may even decide to take a day off from driving their cars.
The idea for Earth Day came from a US Senator(參議員),who was worried about pollution and the health of plants and animals.And the idea quickly caught on(流行起來).In 1970,the first Earth Day was celebrated.More than 20million people in cities all over the US took part in.Since then,Earth Day has been used to educate people about their role in taking care of our planet.
Now,Earth Day has become a global celebration.In 1990,200million people from 140countries took part in clean-ups,tree planting and other environmental events on Earth Day.
76.When is Earth Day?(No more than 2words)On April 22.
77.Who came up with the idea for Each Day?(No more than 3words)A US Senator.
78.How many people celebrated the flint Earth Day in 1970?(No more than 4words)More than 20 million people.
79.Is Earth Day popular around the world now?(No more than 3words)Yes,it is.
80.What has Earth Day been used to educate people about their role?( No more than 6words).In taking care of our planet.