Дам 50 баллов. Срочно!
Fill in the blanks with the particle ‘to’ where necessary.
1. Using this electronic microscope we can see carbon atoms _____ roll into nanotubes.
2. The researchers wanted the nanomaterial _____ assemble itself but they couldn’t make it _____ do that.
3. Engineers found nanogranules _____ be extremely efficient in batteries.
4. The students asked the lecturer _____ explain the mechanisms of using nanotechnology for drug delivery.
5. Visit http://www.news.cornell.edu/releases/Nov03/NEMSguitar.ws.html, and you’ll hear a nanoguitar _____ sound.
1. to
2.to, —
3. to
4/to