1 . 只有学会和大自然和谐共处，我们才不会成为野生生物和地球的威胁。
_________ we learn to _________ wildlife and to our planet.

2 . 这些国家不仅找到了一条不以牺牲古迹为代价的未来发展之路，而且明白了多个国家合作创造美好未来的可能性。
_________ the countries found a path to the future that did not _________ the relics of the past, _________ they had _________ learnt that it was possible for countries to work together to build a better tomorrow.

3 . Not until Mary arrived home did she realize she had left the key in her office. (英译汉)
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4 . ________________ (尽管听起来很奇怪), I nodded.(使用倒装句) （根据汉语提示完成句子）

5 . 他不仅是《超人》电影中的超级英雄，在现实生活中也被许多人视为超级英雄。(汉译英)
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9 . Behind every book __________(be) a man. (所给词的适当形式填空)

10 . Joining us in the studio tonight ________________ (be) James Smith, a local resident; Vincent Brown, senior manager of a local factory; and Julie Archer, chief of the Norgate Environmental Protection Committee. (所给词的适当形式填空)