The traditional Chinese solar calendar divides the year into 24 solar terms（節(jié)氣）.Start of Summer，the 7th term of the year，signals the transition of seasjye.ais.On this day，the sun rays reach an angle of 45 degrees to the earth.（1）

D

D

.But in northern China weather remains fine.
    Here are tour things to learn about the Start of Summer.
    The custom of weighing people at the Start of Summer originated from the Three Kingdoms Period （220-180）. （2）

G

G

.After lunch on the day of Start of Summer，the young and old took turns to get weighed while the person calculating the weight would offer good wishes.
    In ancient China，a round egg symbolized a happy life.And people believe eating eggs on the day of Start of Summer would bring good health.（3）

E

E

.That's how the original "tea egg" was created.Today tea egg has become a traditional snack in China.
    On the day of Start of Summer，parents will prepare boiled eggs and put them in a knitted bag before hanging them on their child's chest.They believe that it will help the children stay away from summer diseases.When at school，children gather together to play egg competitions.（4）

B

B

.
    According to Chinese traditional medicine，Start of Summer is a key time to moisten （使?jié)駶櫍﹖he heart.（5）

C

C

.Vegetables，such as cucumber，tomato and celery and fruits that include watermelon，pear and strawberry are top choices.

A.It is an important time for the harvest of summer crops like wheat B.They crash each other's eggs in pairs and the one whose egg is not broken wins C.Food rich in vitamins and cool in nature is highly recommended D And the temperature will rise quickly during this period E.They put leftover tea into boiled water together with eggs F.Later people added spices to the eggs to make them taste delicious G.It was thought this practice would bring health and good luck to the people weighed