原因结果句型
Ⅰ基本原因
92.There are probably many(several/three/a number of/a variety of)reasons(causes)for this dramatic(marked/significant/extraordinary)increase(decline/growth/change)in…First…Second…Finally …
93.Why have(did/are)…?For one thing(One reason is)…For an-other(Another reason is)…Perhaps the main(primary/fundamental/most important)reason is…
94.It is no easy(simple)job(task/matter)to offer(identify/advance)the reasons for this phenomenon(tendency/change)which involves several(many)complicated factors. For some…For others…
95.It is fairly easy(You don’t have to look very far)to find out(identify)the reason that(why)…
96.The answer to(explanation for)this problem(phenomenon)involves many(several)complex(complicated/interrelated)factors(reasons).For one
thing(Some)，…For another(Others)，…Still another (Still others)…
97.The reasons(causes)for…，perhaps(probably/I suggest)，are varied(complicated/profound/many).They include(lie in the fact)…Perhaps the main reason(cause)is…
98.Thanks to(Owing to/Due to/Because of/As a result of)
99.The increase(decline/change/success/failure)mainly stems/results/arises/comes from(①is chiefly caused by/because of/born of ②is largely due/owing/attributable to)the fact…(several factors).
100.in part(partly)because…in part(partly)because…
101…not(not only/not so much)because…，but(also/as)because…
102…not(not only/not so much)come(arise/derive/stem/spring)from…，but(also/as)from…
103.One may attribute(ascribe/owe)the increase(decrease/change)to…
104.One tends to view(see/regard/think of)the trend(increase/success/change)as a result of(sign of/response to)…
105.One may trace this trend(problem/phenomenon)back to…
106.That’s the reason why(This can account for)…
107.A number of factors could account for(contribute to/lead to/ result in)the change(increase/decrease/success/failure)of(in)…
108.A number(multitude)of factors，both physical and psycho-logical(inherited and environmental/individual and social/academic and professional)affect(influence/contribute to)…
109.These factors，coupled with the growth(change/recognition/realization )of…lead to(contribute to/result in/help)…
110.Many(Various/Several)factors weigh(affect)heavily(greatly)for(against/in favor of)…
111.The factors(reasons/causes)that lead to(contribute to/result in)…are(include):
①a growing awareness of…;a realization of…;a recognition of… ②a better understanding of…;an appreciation of…;a sense of…③the common interest in…;the enthusiasm for…;the dedication to… ④the reluctance to…;the indifference to…;the hostility to …⑤the lack of…;the absence of…;the loss of… ⑥a wide concern over…;an anxiety of…;a fear of…of…⑦the availability of…;the access to…;the command of… ⑧the public discontent with…;the complaint about…;the criticism of…
Ⅱ另一原因
112.Among the most sound(important/convincing)reasons given (cited/identified/advanced)by people for is…(，one should be mentioned/stressed/emphasized)
113.One of the most popular(common/primary/widespread)reasons(explanations)for(why)is that.
114.Part of the explanation for the rise(trend/failure)is…
115.This is due to(because of)several factors(reasons)A(n)important(common/primary)factor(reason)
116.Another(Other)important(contributory contributing)factor (s)(reason(s))is(are/conclude(s)).
117.Also playing a part(contributing to this)is…
