1.47题目:Until the beginning of the Industrial Revolution， man’s knowledge of the physical world ().

1.28 Their art does not try to serve society; it’s just art for art’s ().

1.27 These features are () of what we may call educated informal English.

1.26 We’ve () sugar.Ask Mrs.Jones to lend us some.

1.25 It has becoming ()(increase)difficult to find good teachers.

1.24 () what anyone does is beneficial to the society.

1.23 What () of the population in a modern technological society are， like myself， in the fortunate position of workers?

1.22 Scarcely had he gone out ().

1.21 Our car was held up for more than 40 minutes， () caused us to come late.

1.20 They complained that you charged () prices for your services.

1.19 Children should show ()(respectable)for those who are older and wiser.