单项选择题

In the late 1950’s, for the first time a computer programming language _____.

A．began using binary numbers
B．was used to implement the Unix operating system
C．was put into the market
D．was used for modeling physical and environmental events
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单项选择题
Concerning the style of the book, it is revealed in the text that _____.
A．it is a normal book of discovering trip, with no particular style.
B．it is stylish in its narration and the characters are vivid.
C．its style is not so perfect especially concerning the trivia/talks of the characters and the too incidental details.
D．readers do not like the trivial style of this book.
单项选择题
Which of the following statements is NOT true
A．Fielding Lewis has taken two pictures of the bird, but it was too fuzzy and he was mistakenly discredited.
B．The author believes that the woodpecker-whisperer do have a telepathic connection to the birds.
C．The quality of the book may not so perfect in itself, but there is still something to be cherished and reflected on.
D．There is much sweating, sitting and waiting before the completion of the book.
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