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B
What colour of clothes can make our day cheerful? Probably, dopamine（多巴胺）dressing has been a trend（潮流）in some short videos. 6.
7.
One study found that wearing red could lead to a better physical performance in soccer games over the last 55 years.
8.
What colour of clothes can make our day cheerful? Probably, dopamine（多巴胺）dressing has been a trend（潮流）in some short videos. 6.
B
So they can get more dopamine and feel happy. But is there any science behind this?7.
C
This kind of chemical can influence how we feel. According to Science Magazine, there is no study about how colourful clothes can increase dopamine, but there are studies that show a relationship between the clothes we wear and how we act and feel.One study found that wearing red could lead to a better physical performance in soccer games over the last 55 years.
8.
E
Another study showed that wearing green could make people more creative.9. D
Perhaps it can remind us of nature. Yellow stands for warmth. It makes people feel warm.10. A
Maybe there is more science waiting for us to study.答案
6.B 7.C 8.E 9.D 10.A
C
A team of retired（退休的） women working as "shared grandmas" in Chongqing are popular online. 11.
The "shared grandmas" look after the primary school students in their community. They spend their free time helping young parents in need.12.
Deng Lihong has been working as a "shared grandma" for three years.On school days,she picks up the kids from school and plays with them in the community room until their parents come to pick them up."I feel young with the kids," Deng said. "13.
Many people say such work is hard for these old women. However, the "shared grandmas" themselves never give up.14.
When the team was set up in April 2021,there were only 9 "shared grandmas". Now,there are about 60 ones.
A.And they have different ideas.
B.It also makes my life meaningful.
C.The program is great and worth promoting（推广）.
D.The "shared grandmas" can help them look after their kids.
E. Working parents can't pick up their kids from school at 3:00 p.m.
A team of retired（退休的） women working as "shared grandmas" in Chongqing are popular online. 11.
E
They help working parents pick up their kids from school and help the kids with their homework.The "shared grandmas" look after the primary school students in their community. They spend their free time helping young parents in need.12.
D
Deng Lihong has been working as a "shared grandma" for three years.On school days,she picks up the kids from school and plays with them in the community room until their parents come to pick them up."I feel young with the kids," Deng said. "13.
B
"Many people say such work is hard for these old women. However, the "shared grandmas" themselves never give up.14.
A
"Certainly, we met some difficulties.However, the happiness means a lot to us," Peng Mei, another "shared grandma", said. "15. C
It's not only good for parents and children but also for ourselves."When the team was set up in April 2021,there were only 9 "shared grandmas". Now,there are about 60 ones.
A.And they have different ideas.
B.It also makes my life meaningful.
C.The program is great and worth promoting（推广）.
D.The "shared grandmas" can help them look after their kids.
E. Working parents can't pick up their kids from school at 3:00 p.m.
答案
11.E 12.D 13.B 14.A 15.C
