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
Which of the following statements is true
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 animals.
D．Sick lizards move into the sun to develop fever.
单项选择题
What does D-day refer to
A．The special day in World War Ⅱ.
B．The Allied forces' landing in Normandy.
C．The day when Nazi surrendered.
D．The unnamed day for military offense.
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