評論
打印
1) What have humans learnt a lot from?
a) books
b) nature
c) scientists
d) clothing
2) What is not needed for the self-repairing clothes to fix themselves?
a) tears
b) cotton
c) sewing
d) glue
3) What material is used for the clothes besides cotton and linen?
a) denim
b) nylon
c) silk
d) wool
4) What sea creature did scientists get the idea of the clothes from?
a) whale
b) squid
c) jelly fish
d) plankton
5) What kind of silk was mentioned at the end of paragraph 1?
a) spider web silk
b) Thai silk
c) synthetic silk
d) 100% silk
6) What must people dip the coating in for it to repair?
a) water
b) the sea
c) chemicals
d) a bath
7) How long does it take for a rip or tear to join together?
a) an hour or so
b) just seconds
c) a few minutes
d) less than a minute
8) What could the new invention save us?
a) time
b) headaches
c) money
d) material
9) How thin are the coatings that are put on clothes?
a) just over a micron
b) about a micron
c) exactly a micron
d) less than a micron
10) What does the coating increase in the clothes?
a) their cost
b) their strength
c) their price
d) their colour
