living beings like a\rdog looks at a ship, as at something who 11 y beyond their comprehension.No doubt we wi 11 be shocked at the\rugliness of the 20th century way of life. But however amazed future people may be at how far from perfection\rwe were, those future people wi11 look just 1 ike us.\r21. What is this passage mainly about?\rA The change in the numbers of boys and girls.\rB Ways of continuing man's evolution.\r0 The evolution future of nature.\rD Human evolution going nowhere.\rScore Your answer Key\r21. 2 D Hidden\rSubtotal: 20\rTotal: 50