a. 分析判断句型

　　1) It seems quite likely that…

　　2) There is every chance that…

　　3) It is clear that…

　　4) It seems natural that…

　　5) It is more accurate to say …

　　6) It is pretty certain that…

　　7) Fortunately it is often the case that…

　　8) It is urgently necessary to note that…

　　9) It is…that really matters.

　　10) What surprises us most is…

　　11) It is horrifying to find…

　　12) There is no denying…

　　13) The plain fact is that…

　　14) The problem is that…

　　15) No wonder…

　　16) It should come as a surprise to learn…

　　17) Perhaps it is rightly said that…

　　18) Of course, it would be an error to suggest…

　　19) On the face of it, it sounds ridiculous. Yet it is true…

　　20) We may find much to be said for…