单项选择题

The passage implies that ______.

A．the fever process is widespread because moderate fevers have benefits
B．the reduction of fevers can inhibit bacterial growth
C．man can use sun lamp to raise lizards' temperature
D．crayfish injected with bacteria have a purpose for moving to hot areas

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热门试题

单项选择题

Scorpions injected with prostaglandins move to hot areas to ______.

A．engage in greater activity
B．seek out a more-iron environment
C．demonstrate that they are ill
D．develop a fever and flight bacterial infections

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 animal.
D, Sick lizards move into the sun to develop lever.