2. 职称英语
  3. Complete each sentence with the correct ending A-G from the box below.Write the

Complete each sentence with the correct ending A-G from the box below.Write the

游客2024-01-08  50
问题 Complete each sentence with the correct ending A-G from the box below.
Write the correct letter A-G in boxes 33-37 on your answer sheet.
A other rainforests may have originally been planted by man.
B many of the island’s original species were threatened with destruction.
C the species in the original rainforest were more successful than the newer arrivals.
D rainforests can only develop through a process of slow and complex evolution.
E steps should be taken to prevent the destruction of the original ecosystem.
F randomly introduced species can coexist together.
G the introduced species may have less ecological significance than the original ones. [br] Wilkinson says the existence of Ascension’s rainforest challenges the theory that
选项
答案 D
解析 Paragraph 6: Conventional ecological theory says that complex ecosystems... can emerge only through evolutionary processes in which each organism develops in concert with others...
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