【单选题】Only after the invention of computers, ______ a step further.
A.
did the process of automation go
B.
the process of automation went
C.
so the process of automation
D.
went the process of automation
【单选题】Which of the following is NOT true? ______.
A.
Computers perform. not only data processing function in business, but also are used as tools in
B.
Problem-solving and decision-making
C.
In performing certain data processing tasks, computers can process information more efficiently and effectively than humans
D.
A company or individual must buy a computer system in order to be able to use one
【单选题】一个国家或地区的居民教育程度和文化水平、宗教信仰、风俗习惯、审美观念、价值观念等,属于企业外部环境中的:
【单选题】如果焊缝和()不在接头的同一侧,则将焊缝基本符号标在基准线的虚线侧。
【单选题】Tom is very __________ at using computers, though he is only a high school student.
【单选题】中华文化博大精深,辉煌灿烂,而成语是语言文化的精华。下列成语与淝水之战有直接关系的有( ) 1纸上谈兵 2风声鹤唳 3草木皆兵 4退避三舍 5投鞭断流
【单选题】声音为机械波,通常,空气中声音的传播速度为( )
【判断题】焊缝尺寸标注时,如果焊缝和箭头不在接头同一侧,则将焊缝基本符号标注在基准线的实线侧。
【单选题】教师在讲授新课前,通过提问、做练习等复习旧知识的教学活动,为学生学习新知识提供支撑点。这种导入语属于什么类型?( )