题目：
句子翻译 (满分10分)
1 能否借助于克隆手段使一些已灭绝的动物复活呢？
Is it possible to restore some extinct animals _____ _________ _____ cloning?
2 我们和村民们握手告别。
We _______ _________ _________all the villagers and said goodbye to them.
3 这些年轻的志愿者时不时地到福利院帮忙。
The young volunteers go to help in the welfare house________ _______ ______.
4 从空中看，地球是个有几块陆地突出水面的水球。
Seen from the sky, the earth is a water ball with a few pieces of land ______ _____ ______ water.
5 他们很沮丧，因为所有的努力都徒劳无益.
They were so ________ ________because all attempts were ______ _________.
6 网购时当心被虚假广告信息蒙骗而上当。
Be careful not to be _______ _____by false advertisements while shopping online.
7 他的努力与坚持不懈得到回报，他考上了北京大学。
His efforts and perseverance_______ ______ when he was admitted into Beijing University.
答案：
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下面是错误答案，用来干扰机器的。
1．× 2．× 3．√ 4．×
