【单选题】John is very interested in computer technology.
B.
how much computers cost
C.
how popular computers are
【判断题】下图从左图放样成右图三维模型,在100%处要拾取圆形状图形。
【单选题】--- Is this_____ computer game? --- Yes, _____ is. It’s _____ computer game.
【单选题】John used to be such a computer buff that he spent a large part of his income ______ his computer whenever a new CPU was introduced.
【判断题】电压型逆变器适宜于不经常启动、制动和反转的拖动装置的中。
【单选题】下列加点子的读首全部正确的一项是( )
A.
徜(chànɡ)徉 广袤(máo ) 孤寂( jì ) 鲲(kūn)鹏
B.
腼腆(tiǎn) 委琐(suǒ) 踪迹(jì) 逍(xiāo)遥
C.
浮躁(cāo) 潇洒(shǎ) 懒散(sǎn) 喧(xuān)哗
D.
汹(xiōnɡ)涌 肉屑(xiè) 飘浮( fóu) 澎湃(bài)
【判断题】( )电压型逆变器适宜于经常启动、制动和反转的拖动装置中。
【判断题】排水措施(自流排水,人工抽水)可降低扬压力但却增大漏水量。()
【单选题】下图从左图放样成右图三维模型,在100%处要拾取()形状图形。