1.Unfortunately, however, with the growing prosperity of Chinese economy, quite a number of rich people are choosing to live in luxuries, sometimes to the point of extravagance.
　　 2.It is widely recognized (generally accepted) that extensive deforestation contributed to heavy summer flooding.
　　 3.It is reported that 800000 applicants sat for the National Master’s Entrance Test in 2003.
　　 4.It must be admitted that the price war will disturb the normal order of the market.
　　 5.It cannot be denied that the overgrowth of tourism may destroy the ecological balance of some scenic resorts.
　　 6.It is known to all that physical exercises can improve and enrich our physical and mental well-being.
　　 7.It is estimated that over 800,000 Chinese have moved to and settled down in the US in the past 150 years.
　　 8.It is obvious /evident /clear /apparent that the situation is caused directly by excessive commercial fishing.
　　 9.It is understandable (inevitable) that people’s attitudes are divergent on this controversial issue.
　　 10.It is unimaginable (incredible/unbelievable) that such a boy of 17 should have had three novels published.
　　 1.然而，不幸的是，隨著中國經濟的持續(xù)繁榮，許多富裕的人們選擇了奢侈生活，乃至有時浪費。
　　 2.眾所周知，大量地砍伐森林會導致夏天洪水泛濫。
　　 3.據報道，2003年有800000考生申請參加碩士研究生入學考試。
　　 4.必須承認，價格戰(zhàn)會擾亂市場秩序。
　　 5.不可否認，旅游業(yè)的過快增長會破壞風景名勝地的生態(tài)平衡。
　　 6.眾所周知，體育鍛煉提高并豐富我們的身心健康。
　　 7.據估計，過去的150年中，有800000多萬的中國人移居美國。
　　 8.顯然，事態(tài)是由過分的商業(yè)捕撈直接造成的。
　　 9.可以理解的是/不可避免的是，人們在這個有爭議的問題上的態(tài)度是不盡相同的。
　　 10.難以想象的是/難以置信的是，一個17歲的孩子已經出版了三本小說�！�