11.You are never too young to start your own busjye.aiess.In Western countries such as the US and Australia,kids make their own lemonade(檸檬水) to(1)
to people on the street. They learn a little about running a business first,as well as the chance to enjoy a cold drink on a hot day.Before kids set up stands(架子) on the street,they buy fresh lemons to(2)
lemonade.They put lemon juice into glasses with ice,sugar and water. It is important for them to watch the(3)
,because there will be(4)
people visiting the stand on hot days.(5)
kids usually find a place with a lot of traffic.Then they set up the stand and(6)
signs around the area.The signs tell people where and when the lemonade will be sold.As people go by,the kids call out,"Fresh lemonade" or "Get your ice-cold lemonade here!" A small glass might cost 25 cents,(7)
a large one could be about 50 cents.Over the summer,clever sellers can make a(n)(8)
of US $200-300.Many kids give the money(9)
to charities(慈善).Sometimes kids try to compete with one another,which helps them get more money and learn more.Are you any good at(10)
(science)Yuan Longping died in a hospital in Changsha at the age of 91.Yuan(2)
(spend)his life researching rice,known by the nickname "Father of Hybrid Rice." Worldwide,one(3)
(five) of all rice now comes from,kinds created by him. Yuan with his team worked with a number of(4)
(country)around the world to manage to deal with the problem of food safety as well as malnutrition (營養不良).Even in his later years,Yuan did not stop doing research.In 2017,working with a Hunan agricultural(農業的)school,he helped create to(5)
new kind of low-cadmium (鎘) indica rice for areas suffering from heavy metal pollution,reducing the amount of cadmium in rice by more than 90%.