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Until recently most people hold hostile attitudes towards _______. Some people view it as _____________while others consider it____________.
Recent research,however,shows that ___________is of great benefit in many respects. _________,scientists tell us,_____________. Surprisingly enough,____________ also _______.The most remarkable thing about _______ is that _______. Now we can draw the conclusion that _______.I strongly advocate that we should make good use of it to _________
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直到最近，大多数人持敌对态度_______。有人认为它作为_____________而别人考虑it____________。然而，最近的研究表明，___________在许多方面是大有裨益。 _________，科学家告诉我们，_____________。令人惊讶的是，____________也_______。最了不起的事情对_______，_______。现在，我们可以得出这样的结论，_______，我极力主张，我们应该好好利用它来_________。
