Hi-tech Fabrics: Multiple Choice Vocabulary Test
High factor sun creams have become a necessity to protect us against dangerous ultra-violet light. But fears that creams are not protective enough have now (1)________ scientists to develop sun-proof fabrics to add further protection against the damaging (2)________ of the sun. A lightweight T-shirt, for example, has a sun protection factor of about 10, which (3)________ that you could still get burned through the fabric. Australian scientists have now (4)________ a way of introducing (5)________ fibres into clothing which will act as a 90 % (6)________ against UV rays. The material is dipped into a certain dye, (7)________ a chemical barrier between the cloth and the sunlight, giving it a factor of 45-50. Sun-proofing is just one of many techniques being tested to produce these "smart fabrics". At a French Institute chemists are (8)________ a material that will absorb heat. Other (9)________ include fabrics that help you relax, stay (10)________ and even give up smoking. The Institute is even organizing hospital (11)________ of a fabric containing anti-bacterial chemicals that (12)________ further infection after medical treatment.
|8||operating on||trying on||bringing in||working on|
1.C; 2.A; 3.B. 4.B; 5.A; 6.A; 7.C; 8.D; 9.B; 10.C; 11.A; 12.B