15．It will exert （have / produce） profound （far-reaching / remarkable / considerable / beneficial / favorable / undesirable / disastrous） effect （influence） on….

16．A multitude of factors could account for （contribute to / lead to / result in / influence） the change （increase / decrease / success / failure / development） in….

17．In 2000, it increased （rose / jumped / shot up） from 5 to 10 percent of the total （to 15 percent / by 15 percent）.

18．By comparison with 2002, it decreased （dropped / fell） from 10 to 5 percent （to 15 percent / by 15 percent）.

19．It accounts for 15 percent of the total.

20．There were 100 traffic accidents in April, an increase of 5 percent in a five-month period.

21．By 2002, only （less than / more than / almost / about / over/ as many as） three quarters （40 percent of / one out of five / one in four） college population （graduates / housewives） as against （as compared with） last year （2002） preferred to （liked）…. 22．With the development （improvement / rise / growth / general recognition / acknowledgement / realization） of…, vast changes awaits this country’s society.

23．Now people in growing （ever-increasing / significant） numbers are beginning （coming / getting） to believe （realize / recognize / understand / accept / see / be aware） that….

24．According to a（n） recent （new / official） study （survey / report / poll）,….

25．History （Our society） is filled （abounds） with the examples of….

26．The story （case / instance / situation） is not rare （isolated / unique）, it is one of many examples （typical of dozens）.

27．A （one） recent （new / general / nationwide） study （survey / poll / investigation） conducted （taken） at a university by （officials / scientists / experts） indicates （reveals / suggests / shows / proves / demonstrates） that….

28．According to （As can be seen in / As is shown in） the figures （statistics / findings / data / graph / table） released （provided） by the government （an institute）, it can be learned （seen / predicted） that….

29．There is （no） good （every / little / sufficient / considerable / strong） evidence （proof） to

30．Personal experience （Examples I heard / read of） leads me to conclude that….

31．We must admit the undeniable fact that….

32．No one can deny （ignore / doubt / overlook / obscure / brush aside） the fact that….

33．Experience （Evidence） suggests （shows） that….

34．Take for example…who （that）….

35．The same is true of….

36．As the saying goes,“….”