填空题Questions 21-27 Complete the summary below. Choose NO MOPE THAN TWO
WORDS from the passage for each answer. Write your
answer in boxes 21-27 on your answer sheet. Eduardo Neves
has carried out his research on Amazon culture for 17 years who first thinks the
disappearance of{{U}} {{U}} 7 {{/U}} {{/U}}is understandable
because ancient people built their towns only with{{U}} {{U}} 8
{{/U}} {{/U}}. But the discovery of{{U}} {{U}} 9 {{/U}}
{{/U}}challenged his way of thinking and this means those people have already
abandoned the lifestyle of{{U}} {{U}} 10 {{/U}} {{/U}}because
they could not take large containers on the way. And another problem on
vanishing civilization could be partly solved by hypothesis that diseases
brought by{{U}} {{U}} 11 {{/U}} {{/U}}have destroyed it.
Although the study of lost Amazon civilization is hard to imagine for early
explorer, thanks to the help of{{U}} {{U}} 12 {{/U}} {{/U}},
modern scientists have found 28 towns which were connected with roads
and{{U}} {{U}} 13 {{/U}} {{/U}}.