倒三角脸型的眉毛宜画成(),且眉梢不宜拉长。 ["一字形","小山形","弧形","平直形"]
免疫防御(immunologic defence)
某轮船速18kn,航行2h后相对计程仪读数差为34'.0,计程仪改正率ΔL=0%,已知该轮实际航程为32nmile,则该轮航行在()中。 ["A.顺风顺流","B.顶风顺流","C.顶流顺风","D.顶风顶流"]
固有免疫应答(innate immune response)
如何增大装置循环比?
适应性免疫应答(adaptive immune response)