1.Modern science has given clear evidence that smoking can lead to many diseases.《2011天津高考》
2.Mies’s sophisticated presentation masked the fact [that the spaces (he designed) were small and efficient,rather than big and often empty.] 《2011年1月MBA英语真题》、
3.They found {that [(after a surprise departure),the probability (that the company will subsequently have to restate earnings) increased by nearly 20%]}.《2011年1月MBA英语真题》