设计烈度
参考答案：结构抗震设计时选用的烈度值。在基本烈度基础上结合场地条件及结构特性选值。
Although John agreed with me on most points, here was one which he was unwilling to _____ . [ ]
A. give in
B. give off
C. give up
D. give away
稀有种
