单项选择题

The tone of the passage is ______.

A．scientific and factual
B．vague and imaginative
C．curious and enthusiastic
D．worried and pessimistic
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单项选择题
What data can the handheld computers NOT record
A．The direction in which an animal is moving.
B．The black market value of an animal's skin.
C．Fluctuations in water levels.
D．The apparent state of an animal's healt
单项选择题
If wildlife data is transmitted by radio or satellite ______.
A．poachers will learn where rare animals are
B．the bushmen will go on strike
C．the Cyber Trackers will break down
D．Microsoft will sue the Kruger National Park
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