Unit3两篇课文挖空练习2026-2027学年外研版英语九年级上册

8A U3课文1挖空练习

A helping hand练习1（基础版）

 

Easton LaChappelle, a 14-year-old student, 1.______(stand) beside his work at a science fair. It was a robotic arm. He 2.______(build) it out of plastic blocks and fishing line.

“Hello,” said a girl with an artificial arm, as she 3.______(shake) hands with Easton’s work.

This 4.______(be) the first time Easton met Jenny. The girl 5.______(bear) without an arm. Her artificial arm was just a simple hook, but it 6.______(cost) $80,000. What’s 7.______(bad), children like her grow quickly and need new arms all the time. This 8.______(create) a difficult condition for Jenny’s family.

“It blew me away! I built my arm for only $300,” 9.______(think) Easton. “I must lend a hand to people like 10.______(she).”

After the fair, Easton’s room 11.______(become) a lab. He stayed there all day. He always tried 12.______(improve) his work. For his 16th birthday, Easton 13.______(get) a 3-D printer. And with it, he invented an artificial arm. It was able 14.______(move) with brain signals of the user. But it wasn’t good enough yet: the arm 15.______(weigh) 3.6 kilograms. It was too heavy for a child.

Easton kept 16.______(work) on it. He enjoyed 17.______(fix) problems one after another. And finally he hit on success at age 23. His design only 18.______(weigh) 0.5 kilograms and cost around $500!

Easton’s invention 19.______(help) many children so far. He didn’t want 20.______(make) money from it. He decided 21.______(post) his design online… for free! People can download the design and make an artificial arm with 22.______(they) own 3-D printers!

What a 23.______(help) hand!

 

拓展填空

Jenny’s old hook arm was much 24.______(expense) than Easton’s early robotic arm.

It’s hard for poor families 25.______(afford) expensive artificial arms.

Easton’s first brain-controlled arm was 3.6kg, much 26.______(heavy) than the final 0.5kg one.

He spent years 27.______(solve) all kinds of difficulties.

Sharing the design online lets more 28.______(child) get cheap artificial arms.

His spirit of 29.______(help) others moves lots of people.

Everyone admires Easton for 30.______(he) selfless choice.

Small inventions can bring great 31.______(change) to people’s lives.

 

练习1 答案

1. stood  2. built  3. shook  4. was  5. was born

6. cost  7. worse  8. created  9. thought  10. her

11. became  12. to improve  13. got  14. to move  15. weighed

16. working  17. fixing  18. weighed  19. has helped  20. to make

21. to post  22. their  23. helpful  24. more expensive  25. to afford

26. heavier  27. solving  28. children

29. helping  30. his  31. changes

练习2（提升版）

A helping hand

 

At a science fair, 14-year-old Easton LaChappelle 1.______(stand) next to his robotic arm. The arm 2.______(make) of plastic blocks and fishing line.

A girl 3.______(name) Jenny walked up. She had an artificial hook arm and 4.______(shake) hands with Easton’s creation. This was their 5.______(one) meeting.

Jenny 6.______(bear) without one arm. Her simple hook arm cost as much 7.______ $80,000. Even 8.______(bad), kids grow fast, so they need new arms again and again. This 9.______(bring) huge stress to Jenny’s family.

Easton felt shocked. “My arm only costs $300,” he said to 10.______(he). “I should do something for people like Jenny.”

Right after the fair, Easton turned his room 11.______ a small lab. He spent all his free time 12.______(perfect) his robotic arm. On his 16th birthday, he received a 3-D printer, with 13. ______he made a brain-signal-controlled artificial arm. However, the arm 14.______(weight) 3.6kg, far too heavy for little kids.

He never gave up 15.______(try). He liked 16.______(deal) with difficulties step by step. When he turned 23, he 17.______(success). His new arm weighed just 0.5kg and only cost about $500.

Lots of kids 18.______(get) help from Easton’s invention up to now. Instead of 19.______(sell) it for profit, he chose 20.______(share) all design files online free of charge. Anyone with a 3-D printer can download the files 21.______(produce) their own artificial arms.

What a 22.______(care) and helping hand Easton offers!

 

拓展填空

The price difference between two kinds of arms is 23.______(surprise) big.

It takes much time and energy 24.______(reduce) the weight of the robotic arm.

Easton’s 25.______(create) makes expensive artificial arms no longer necessary.

Many 26.______(engineer) learn from his free online design.

The story tells us the 27.______(true) meaning of lending a hand.

We should use our skills 28.______(support) people in need.

29.______(share) knowledge can warm more people’s hearts.

Easton’s actions are much 30.______(value) than money.

 

练习2 答案

1. stood  2. was made  3. named  4. shook  5. first

6. was born  7. as  8. worse  9. brought  10. himself

11. into  12. perfecting  13. which  14. weighed  15. trying

16. dealing  17. succeeded  18. have got  19. selling  20. to share

21. to produce  22. caring  23. surprisingly  24. to reduce

25. creation  26. engineers  27. true  28. to support

29. Sharing  30. more valuable