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