The science of immunology studies the______mechanisms of the body against the attack by foreign microorganisms or macromolecules

admin2013-12-06  29

问题 The science of immunology studies the______mechanisms of the body against the attack by foreign microorganisms or macromolecules.

选项 A、defence
B、defensive
C、guardian
D、protective

答案A

解析 defence mechanism防御机制。
转载请注明原文地址:https://kaotiyun.com/show/u0U3777K
0

最新回复(0)