)15.Speaker 5
)14.Speaker 4
)13.Speaker 3
)12.Speaker 2
)11.Speaker 1
)10.They are going to buy some milk and juice after dinner.
)9.Alan's mother bought the tomatoes in the store near their community
)8.Alan's mother asked him to clean the table.
)7.Alan wants to eat noodles with beef and tomatoes
6:真155.4520y
入
E.I don't want to watch the movies about future
D.I like to listen to quiet and slow songs.
C.It was one of the most moving pieces of music.
B.Funny movies can make me feel much better
A.I have to watch scary movies with my friend.
要一款（锈售话、报35分）
换动1206
2025.4
dopamine.But why
for men..."
)25.A.afraid
)24.A.picking
)23.A.quieter
)21.A.control
)19.A.deal
)18.A.But
)17.A.actor
)16.A.nearly
the girl's 22
about things we post.This"magic of maybe"makes the dopamine system active.We get excited
When we visit social media,we don't know what we'll see next,or who will give opinions
dopamine.For example,checking your phone for a text leads to a 400 percent increase in
)22.A.information
)20.A.requiring
Compared with studying,playing on smartphones causes our brains to give out more
food,after we exercise or when we are rewarded.
"pleasure chemical"that makes people feel good.Our brains give it out when we eat delicious
It all boils down to something small and hard to see:dopamine().Dopamine is a
feels hke a year.Why are we so addictedto smartphones but easily bored by studying
Time flies when you play on your smartphone.But when you get down to studying,one hour
、外体际与个港业(度盗出禁全强场。回苦】2-62A，社量盗所所不热
三、防整速您（井57入锈：中）障29、球冷30)
get onto the fire truck and take photos.
B.proud
B.holding
B.faster
B.introduction
B.spread
B.accepting
B.voice
B.So
B.ruler
To this day,Grace is 25 of her future dream.
holding one of the little girls freed from the school bus.
C.careful
C.lifting
C.louder
C.instruction
C.divide
C.avoiding
C.scene
C.Because
C.pioneer
C.exactly
Everyone seemed to know 16 what they wanted to be,but Grace had no idea
D.serious
D.putting
D.slower
D.inspiration
D.overcome
D.refusing
D.novel
D.If
D.hero
D.especially
crowded around the fire truck.Then,wearing the heimets(),Grace's family were lining up to
opened her eyes,Constance was in her full uniform,24 a birthday cake.Her teammates were
close her eyes.Suddenly,Grace heard loud strens()coming closer and 23.When she
On Grace's birthday that summer,when it was time to bring out the cake,she was told to
excitement when a reply flashed up a few minutes later.Constance Baker,the firefighter,became
Grace's mom contacted)the firefighter as Grace waited hopefully.They couldn't 21 their
from the myrfor her bravery during a terrible bus accident last year.In the photo,she is
the computer screen.There was a beautiful,smiling woman firefighter 20 a reward
Mom ran a quick search.The sad girl smiled just when an unbelievable 19 appeared on
and being a(n)17 to families who got into hot water,"the girl said."18 it seems a job only
and poured her heart out to Mom."Ive always dreamed of becoming a firefighter,helping others
One evening,seeing Grace looking upset,Mom asked,"What's wrong "Grace began to cry
Although Grace,a little girl,felt happy and loved,there was something disappointing her.

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