I. Choose the correct option and answer the questions using the text of the article.

1. How would electronic textiles generate power?

A from a built-in source

B from a portable lithium-ion battery

C from a line current source

D the power will be generated by movement

2. What element was used to enhance the energy conversion efficiency of the wire-shaped solar cells?

A platinum

B lithium

C uranium

D titanium

3. Find the synonym to the word “unobtrusive”

A indestructible

B uninjurious

C unobservable

D irreplaceable

4. What does dip-coated mean?

A the coating is applied by electrophoresis

B the coating is applied by immersion

C the coating is applied manually

D the coating is applied by a robot

5. What played a crucial role in providing pathways for charge support?

6. Without looking at the text expand the abbreviation PSC

A Power Supply Circuit

B Polymer Stretchable Conductive

C Polymer Solar Cells

II. Decide whether the following statements are true or false and prove your answer by citing the article.

1. A new generation of garments – e-textiles – will serve, among other things, for monitoring health condition.

2. Korean researchers introduced a new method of enhancing the energy conversion efficiency of PSC wires – titanium nanocoating.

3. The diameters of MWCNT fibers have a great influence on the energy conversion efficiency of the wire-shaped PSCs.

4. Wire-shaped PSCs lose in energy conversion efficiency after 1000 bending cycles.

5. The titanium nanoparticle layer increases the electrical resistance for charge transport.

III. Make up a summary of the article using special expressions from appendix on p. 47.

IV. Make up five questions about the contents of the article and ask them your partner.

V. In groups of three or four, make a list of garment care activities for electronic textiles.

Lesson VI

WORD-STUDY

Exercise 1. Check the transcription in a dictionary, read and translate the words listed below.

Nouns

Emission, droplet, airbrush, deposition

Verbs

Commercialize, process, increase, prompt

Adjectives

Comparable, inhomogeneous, uneven, intrinsic

Exercise 2. Match Russian and English equivalents.