单项选择题

Fevers cause ______.

A．prostaglandins to be formed
B．iron to be made available to bacteria
C．leukocytes to be more mobile
D．lizards to be cold-blooded animals
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单项选择题
How do you think the author feels about these long-lived people
A．He is impressed with them.
B．He doesn't care.
C．He doesn't like them.
D．He cares little about them.
单项选择题
Which of the following statements is true7
A．Developing fever is the privilege of warm-blooded animals, so sick lizards can not run a fever.
B．Invertebrates also have the ability to raise their temperature.
C．The internal temperatures of warm-blooded creatures are independent of the weather, so are the cold-blooded animal.
D．Sick lizards move into the sun to develop fever.
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