下列选项中，属于《国家中长期教育改革和发展规划纲要（2010-2020年）》，提出的

发动机的最佳点火时间是活塞到达压缩行程的上止点时。（）

超声引导下肝癌的无水乙醇注射治疗，下列叙述错误的是（）

A.要求肿瘤直径小于3cm

B.肿瘤包膜不完整，结构不均匀，无水乙醇治疗效果差

C.无水乙醇注射时要越快越好

D.治疗前后要监测肝功能

E.疗程要求每周2次，达到肿瘤内血供基本消失、肿瘤完全坏死为限

DOM is a platform-and language- (71) API that allows programs and scripts todynamically access and update the content． structure and style of WWW documents(currently，definitions for HTML and XML documents are part ofthe specification)．Thedocument can be further processed and the results of that processing can be incorporated backinto the presented (72) ．DOM is a (73) -based API to documents，which requires the wholedocument to be represented in (74) while processing it．A simpler altemative to DOM is the event—based SAX，which can be used to process very large (75) documents that do not fitinfo the memory available for processing．

A．table
B．tree
C．control
D．event

货车转K6型转向架的侧架材质为（）。

A.A级铸钢

B.C级铸钢

C.B级铸钢

D.A级锻钢

方向可采用（）进行检查。

A.弦线

B.道尺

C.钢卷尺

D.轨道测量仪