How can you get your ticket if you have booked it online（）
A. From the booking office in a railway station.
By visiting the website of First Great Western.
C. From a ticket agent.
D. By mail delivery.
6（）
A. it
B. this
C. that
D. which
In the reference room of the library you can find （）
A. materials for young readers
B. university catalogs
C. newspapers and magazines
D. the fiction collection
A picture remains on the retina for （）
A. 6 seconds
B. 1 second
C. 16 seconds
D. 1/6 of a second
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