s/proves that ______________. There is a steady/rapid development/trend of ______________.
38. These days we are often told that ______________. But is it true?
39. These days we often hear about ______________. But is this really the case?
40. One of the great writers once said that ______________. Now it still has a realistic significance.
41. In our history, the idea that ______________ never has been so popular. On one hand, ______________, on the other hand, ______________.
42. There are different opinions among people as to ______________. Some people suggest that ______________.
43. Some people hold the opinion that ______________ is superior to ______________ in many ways: Others, however, disagree with it.
44. Nowadays although more and more people ______________, still there are some who think ______________, they may think ______________.

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