选词:delegate, deputy, representative, agent He is one of the( ) to the conference. John will act as a ( ) for me during my absence. I sent my ( ) to the meeting. A commercial( )manages the business affairs of company.
【简答题】《砌体结构设计规范》规定,下列情况的各类砌体强度设计值应乘以调整系数γa,I.有吊车房屋和跨度不小于9米的多层房屋,γa为0.9II.有吊车房屋和跨度不小于9米的多层房屋,γa为0.8III.砖砌体构件截面A小于0.3平方米时取γa=A+0.7IV.砖砌体构件截面A小于0.3平方米时取γa=0.85下列()是正确的A. Ⅰ、Ⅲ B. Ⅰ、Ⅳ C. Ⅱ、Ⅲ D. Ⅱ、Ⅳ