简支后连续桥中桥面连续类型适用范围是()
A.20-30m之间的多跨T梁桥
B.跨径为16m以下的多跨小桥
C.30m以上的多跨简支梁
D.跨径较广,30-60m均有
参考答案:B
Apart from a commercial designer, Andy Warhol worked at several other jobs. Which of the following is NOT one of these jobs().
A.An illustrator.
B.A free-lance writer
C.A publisher.
D.A film-maker.
以下哪项为补体不具备的生物学作用()
A.细胞溶解及杀菌
B.中性粒细胞的趋化
C.中和病毒
D.对免疫复合物的调理
E.促抗体生成