In the following passage, at certain points you are given a choice of three words one of which fits the meaning of the passage. Click on the option which you think is most suitable at the point. You can change the option to know correct answer. Press the reset button to try again.
"What 1._____ happen to them after us?" This most 2.______ question continually torments the parents of these 3._______ children. So they are mainly interested in 4._______ some kind of vocational training for them. 5._______ special schools for such children, spread all 6._______ the world, lay emphasis on vocational training. 7._______ they are taught to make paper bags, 8.________ wall hangings etc. This, of course, is quite 9._______ and admirable. But what about play and 10._______ ?
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Galileo used mathematical calculation as well as observation of nature and was the first astronomer to use a telescope. With an instrument of his own 1._____ Galileo observed Jupiter and four of 2.______ moons, the phases of Venus and the spots on the sun. His 3._______ and calculations confirmed that Copernicus and Kepler were right. He saw 4._______ his own eyes and made other people 5._______ too that the earth was not the fixed center of 6._______ universe as Ptolemy had said. Galileo 7._______ made some important discoveries in mechanics. He did not 8.________ drop cannon balls from the Leaning Tower of Pisa 9._______ that all bodies fall at the 10._______ speed, but he did roll balls 11.________ a slope to show that the 12.__________ a body falls is proportionate 13._______ the square of the time it takes to fall. Galileo also noticed the regular 14._______ of the lamps in Pisa Cathedral; 15._______ gave him the idea of the pendulum, a device that enabled him to make the clock a scientific instrument for the first time.
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