In electronics there's an understanding that
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In electronics there's an understanding that 1 and other elements are responsible for bringing our gadgets to life, while plastic 2 as the supporting structure. But what if that plastic could be both the brains and the brawn? Better yet, what if plastic was pliable enough to form, all sorts of wearable electronics and even implantable medical devices? In fact, electronics made from 3 plastic have been in the works for at least a decade. One of the difficulties has been overcoming a loss of conductivity when plastic 4 are stretched too far. A team of researchers from the U.S., South Korea and China say, they have found a way to keep an electrical connection , even after stretching their specially made plastic more than four times its normal size. The key—make a highly porous polymer, and then fill those pores with liquid 5. Imagine these "3-D stretchable conductors " being used to make 6 eyes, that restore vision or synthetic skin that 7 blood glucose levels. A bit out-there, I know, but science has a knack for catching up with science fiction.
Opens question #151037 in the RealPTE practice screen.
More Listening: Fill in the Blanks questions
Listening: Fill in the Blanks format (Pearson)
Pearson's name: Fill in the Blanks (Type In)
| Prompt | Recording of 30–60 seconds |
|---|---|
| Time to answer | Not set per question (Part 3 lasts 31–39 minutes) |
| Skills assessed | Listening |
How it is scored
- Each correct word, spelled correctly, scores 1 point.
- The recording plays only once.
Source: Pearson, PTE Academic & UKVI test format, Part 3: Listening, checked 9 October 2026.