Paragraph ①:( )

• A、The end of riders' business

• B、The fastest message service

• C、The comfortable home station

• D、The effective system to send mail

• E、Safe delivery despite the tough ride

• F、Need of message exchange in the gold rush

A.get	E. medicine	I. only
B. called	F. over	J. use
C. similar	G. average	K. usually
D.think	H. valuable	L. development

30.文章中应填入（）。

• A、I don't think I will ever quit workin

• B、However, I still wanted to go to colleg

• C、He told me a machine would put that lady out of work.

• D、He told me a machine would put that lady out of work.

• E、I had a feeling I had been told something really important.

• F、It reminded me of my father's words: To work is a blessin

• G、So when I was 12, I got a part-time job helping to milk cows.