重新排列下列句子顺序，使其通顺连贯。（4分）

①“语文”就是书面语和口头语的合称。  ②混沌初开，人猿相揖别，人类自从有了语言，便标志着摆脱了蒙昧、野蛮而进入了文明、开化的时代。 ③人生在世，靠语文进行学习、工作、生活，语言是人们须臾不可缺少的工具。 ④生活的外延有多大，语文的外延就有多大。⑤语言，是人类思维的外化，智慧的物化，说在口头上的叫“语”，写在纸上的叫“文”。

正确的顺序为（只写序号）______________________________。

Section Two
(Questions 18-22)
You will hear another five short messages.
For each message, decide what the speaker is doing.
Write one letter (A--H )next to the number of the message.
Do not use any letter more than once.
You will hear the five messages twice:
A. arranging a meeting
B. making an appointment
C. offering an invitation
D. canceling an order
E. making an apology
F. making an enquiry
G. confirming an arrangement
H. making a complaint

______