正文
1. Although the popular belief is that…, a current (new / recent) study (survey / poll / investigation) indicates (shows / demonstrates) that…
2. Common sense tells us that…
3. The increase (change / failure / success) in… mainly (largely / partly) results from (arises from / is because of)…
4. The increase (change / failure /success) in … is due to (owing to / attributable to) the fact that…
5. Many people would claim that…
6. One may attribute (ascribe / owe) the increase (decrease / change) to …, but … is not by itself an adequate explanation.
7. One of the reasons given for … is that…
8. What is also worth noticing is that…
9. There are many (different / several / a number of / a variety of) causes (reasons) for this dramatic (marked / significant) growth (change /decline / increase) in .. First,… Second,… Finally,…
10. There is no evidence to suggest that…
11. Why are (is / do / did) …? For one thing, … For another, …
12. Another reason why I dispute the above statement is that…
13. It gives rise to (lead to / bring / create) a host of problems (consequences).
14. There are numerous reasons why …, and I shall here explore only a few of the most important ones.
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 1999, it increased (rose / jumped / shot up) from 5 to 10 percent of the total (to 15 percent / by 15 percent).
18. By comparison with 1998, it decreased (dropped / fell) from 10 to 5 percent (to 15 percent / by 15 percent).
19. It account for 15 percent of the total.
20. There were 100 traffic accidents in April, and increase of 5 percent in a five-month period.
21. By 1999, 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 (1998) preferred to (liked)…