Every human being has unique arrangement of skin on his fingers and this arrangement is unchangeable. Scientists and experts have proved the【C1】______of finger-prints and discovered that no【C2】______similar pattern is【C3】______ from parents to children,【C4】______nobody knows why this is the【C5】______. The ridge【C6】______on a person" finger doesn"t change【C7】______growth and is not affected by【C8】______injuries. Burns, cuts and other damages to the【C9】______part of the skin will be replaced【C10】______by a new one which bears the reproduction of the【C11】______ pattern. It is only when the inner skin is injured that the arrangement will be 【C12】______. Some criminals make use of this to【C13】______ their own finger-prints【C14】______this is a dangerous and rare step to【C15】______. Finger-prints can be made very easily with a printer"s ink. They can be recorded easily. With special method,【C16】______can be achieved successfully within a short time.【C17】______the simplicity and economy of this system, finger-print have often been used as a method of solving criminal cases. A【C18】______man may deny the charge but this may be【C19】______. His finger-prints can prove who he is even his【C20】______ has been changed by age or accident.
【答案解析】解析：考查名词辨析。从上下文的意思来看，此处指一个人手指上脊的“构造”，B．structure“构造，结构”符合句意，为正确答案。construction“建造，建设”；location“定位置；位置”；position(1)“位置”：in position(在适当的位置)，out of position(不在适当的位置)；(2)“地位，职位，工作”。