单项选择题

The author begins his article with Edmund Burke's words to ______.

A．call on scientists to take some actions
B．criticize the misguided cause of animal rights
C．warn of the doom of biomedical research
D．show the triumph of the animal rights movement

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单项选择题

Straitford is most proud of its ______.

A．official status
B．nonconformist image
C．efficient staff
D．military background

单项选择题

It can be learned from paragraph 4 that ______.

A．Straitford's prediction about Ukraine has proved true
B．Straitford guarantees the truthfulness of its information
C．Straitford's business is characterized by unpredictability
D．Straitford is able to provide fairly reliable information