TEST-5
GLASS CAPTURING THE DANCE OF LIGHT
A (Q.1 of 6) The letter can be used once only
Glass, in one form or another, has long been in noble service to humans As one of the most widely used of manufactured materials, and certainly the most versatile, it can be as imposing as a telescope mirror the width of a tennis court or as small and simple as a marble rolling across dirt The uses of this adaptable material have been broadened dramatically by new technologies glass fibre optics — more than eight million miles — carrying telephone and television signals across nations, glass ceramics serving as the nose cones of missiles and as crowns for teeth; tiny glass beads taking radiation doses inside the body to specific organs, even a new type of glass fashioned of nuclear waste in order to dispose of that unwanted material.
List of Headings
i. Growth in the market for glass crafts
ii. Computers and their dependence on glass
iii. What makes glass so adaptable
iv. Historical development of glass
v. Scientists’ dreams cost millions
vi. Architectural experiments with glass
vii. Glass art galleries flourish
viii. Exciting innovations in fiber optics
ix. A former glass technology
x. Everyday uses of glass
Source: Cambridge IELTS Practice Book-1 Test-4