Brayden Belsky is a middle school student. In his free time, Brayden is also a tech (=technology) hero who saves ____1____ computers from becoming trash (垃圾). 12-year-old Brayden lives in Maryland, USA. He works with a group called KindWorks. They fix old computers and give them to people ____2____.

Mostly, Brayden ____3____ himself. He learns his skills by playing with old machines and watching tech videos online. He loves the ____4____ of making a slow computer run fast again. “It is ____5____ that I can use my skills to help others,” Brayden says.

Being the ____6____ volunteer is not always easy. At first, Brayden was very shy when talking to adults. Sometimes, people think he is too young to be an expert. ____7____, his hard work shows they are wrong. He now feels much more comfortable working in a team.

Brayden also knows how to ____8____ his life and technology. To stay healthy, he takes a ____9____ every hour to rest his eyes and enjoys playing outside.

Brayden wants other kids to follow their love to help the community. “I hope kids use their different interests to ____10____,” he says.

The 12-year-old tech hero is truly a role model for the kids of his age.

1.1.

A dirty

B old

C cheap

D ugly

解析：选B。B 后文出现 fix old computers（修理旧电脑），对应本句拯救旧电脑，避免成为垃圾。dirty 脏的；cheap 便宜的；ugly 丑陋的。

2.2.

A in need

B on duty

C in danger

D on holiday

解析：选A。A in need 有需要的；on duty 值班；in danger 处于危险中；on holiday 度假。修好电脑送给有需要的人。

3.3.

A dresses

B shows

C teaches

D protects

解析：选C。C teach oneself 固定搭配，自学。后文说他靠摆弄旧机器、看网上视频学技能，说明是自学。dress 打扮；show 展示；protect 保护。

4.4.

A fashion

B challenge

C problem

D competition

解析：选B。B 他喜欢把卡顿电脑修流畅带来的挑战。fashion 时尚；problem 麻烦；competition 比赛。修理旧电脑本身是一项挑战，符合语境。

5.5.

A worrying

B humorous

C impossible

D meaningful

解析：选D。D 能用技能帮助他人，这件事是有意义的。worrying 令人担忧的；humorous 幽默的；impossible 不可能的。

6.6.

A quickest

B earliest

C youngest

D cleverest

解析：选C。C 全文介绍 12 岁少年，人们认为他年纪太小，所以他是年龄最小的志愿者。quickest 最快的；earliest 最早的；cleverest 最聪明的。

7.7.

A However

B Besides

C Therefore

D Instead

解析：选A。A 前句：人们觉得他年纪太小不是专家；后句：他的努力证明他们错了。前后转折，however 然而。besides 此外；therefore 因此；instead 代替。

8.8.

A spend

B record

C live

D balance

解析：选D。D balance A and B 平衡 A 和 B。后文讲用眼休息、户外活动，说明他平衡科技工作和日常生活。spend 花费；record 记录；live 生活。

9.9.

A bath

B break

C test

D picture

解析：选B。B take a break 固定短语：休息。每小时休息，保护眼睛。bath 洗澡；test 测试；picture 图片。

10.10.

A give back

B take back

C call back

D think back

解析：选A。A give back 回馈、回报（社区）；take back 收回；call back 回电话；think back 回想。句意：用兴趣来回馈社区。