ons … they are tested for optimal or better adaptation to the environmental conditions. ?【题目】 Through mutations, organisms can adapt better to the environment. ?【原文】 Chimpanzees have a 'play-face'- a gaping expression panied by a panting 'ah, ah' ? noise. ?【题目】 Chimpanzees make particular noises when they are playing. ? Professor Pretty concludes that our 22 ………….are higher than most people realise., because we make three different types of payment. He feels it is realistic to suggest that Britain should reduce its reliance on23 ………. ? Although most farmers would be unable to adapt to 24 ………… Professor Pretty wants the government to initiate change by establishing what he refers to as a 25 ………….He feels this would help to change the attitudes of both 26 …………..and ………………….
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