桥梁沉入桩施工中,在密实的砂土、碎石土的土层中用锤击法有困难时,可采用()作为辅助手段进行沉桩施工。
A.振动沉桩法
B.射水沉桩
C.静力压桩
D.钻孔埋桩
参考答案:B
南京“1912时尚休闲街区”是既有历史文化特色又具现代时尚风采的商业中心。该商业中心之所以取名为“1912”是为了纪念 ( )
A.洪秀全当年在此附近发布命令,命令李秀成率领太平军抗击洋枪队
B.孙中山当年在此附近宣誓就任中华民国临时大总统
C.蒋介石当年在此附近成立国民政府
D.人民解放军当年在此附近推翻了国民党 * *
The use of computer graphics (1) many diverse fields. Applications (2) from the production of charts and graphs, to the generation of realistic images for television and motion pictures to the (3) design of mechanical parts.To encompass all these uses, we can adopt a simple definition:Computer graphics is concerned with all (4) of using a computer to generate images.We can classify applications of computer graphics into four main areas:Display of information, Design, (5) ,User interfaces.
A.pervades
B.pervasive
C.perverse
D.pervert