1 . ______ ______ we learn to exist ______ ______ ______ nature can we stop being a threat to wildlife and to our planet.
只有学会和大自然和谐共处，我们才不会成为野生动物和地球的威胁。

2 . ______ ______ ______ the countries ______ a path to the future that did not _____ ______ the relics of the past, but they had also learnt that it was possible for countries to ______ ______ to build a better tomorrow.

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.

3 . ______ ______ ______ ______ ______ the old must give way to the new, and it is not possible to ______ everything from our past as we move towards the future.
新旧更替的时代已经到来，在走向未来的过程中，我们不可能将过去的一切都保存下来。

5 . 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.

6 . 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.

7 . __________and caught the mouse.

A．Up the cat jumped	B．Up did the cat jump
C．Up jumped the cat	D．Jumped up the cat

8 . Into the complete silence of the waiting class _________ (come)the teacher’s sweet voice, “Good morning, children. ” (所给词的适当形式填空)

9 . Only when we learn to exist in harmony with nature can we stop being a threat to wildlife and to our planet.(英译汉)