These are very sophisticated processes which often take place without the body’s owner knowing anything about it—although sometimes the side-effects of the activity are those feelings of aching, shivering, sweating, temperature hike and loss of appetite that characterize a fever. Finally the body gets the measure of the virus, and can begin to manufacture antibodies specifically to act against it.
【正确答案】：这是一些十分复杂的过程，经常在身体的主人毫不知晓的情况下发生，虽然有时会出现一些副作用——疼痛、颤抖、出汗、体温骤然升高和食欲减退等典型的发烧症状。最后，当人体摸清这种病毒的底细之后，就会开始制造专门针对此种病毒的抗体。
