第四:表强调的信号词 Definitely/extremely
/obviously/infact/indeed/inanycase
/absolutely/positively/surprisingly/emphatically
/unquestionably/ without a doubt undeniably/ without reservation
...
第五:表举例的信号词,通常只需要记住举例中描述的对象,以及为什么要举例。至于细节通常可忽略不计 Fro example/ for instance/ in this case/ in another case/on this occasion
/ in this situation/ take the case of/ to demonstrate/ to illustrate/ as an illustration
/ such as...