填空题
{{B}}Directions:{{/B}} This part consists of two short passages, In each, there
are ten mistakes, One in each underlined sentence or part of a sentence. You may
have to change a word, add a word or just delete a word. If you change a word,
cross it out with a slash ( — ) and write the correct word near it. If you add a
word, write the missing word between the words (in brackets) immediately before
and after it. If you delete a word, cross it out with a slash ( — ) . Put
your answers on the ANSWER SHEET.
{{B}}Passage One{{/B}}
How to Get Preserved as a Fossil
(71) {{U}}Unfortunately the
chances of any animal become a fossil are not very great,{{/U}} and (72) {{U}}the
chances of a fossil then being discovered many thousand of years later are even
less.{{/U}} (73) {{U}}It is not surprising that all the millions of animals that
have lived in the past{{/U}} (74) {{U}}we actually have fossils of only very
few{{/U}}.
(75) {{U}}There are several ways into which, animals and
plants may become fossilized{{/U}}. (76) {{U}}First, it is essential that the
remains are buried, as though dead animals and plants are quickly destroyed{{/U}}
(77) {{U}}if they remain exposed the air{{/U}}. Plants rot, while insects and hyenas
eat the flesh and bones of animals. (78) {{U}}Finally, the few remaining
bones soon disintegrate the hot sun and pouring rain{{/U}}. If buried in suitable
conditions, however, animal and plant remains will be preserved. (79)
{{U}}The same chemicals change sand and silt into hard rock will aim enter the
animal and plant remains and make them hard too.{{/U}} (80) {{U}}When this happens,
we say that they become fossilized.{{/U}}