【单选题】在构成CRH1整节编组的3个动力单元TBU中( )。
【单选题】建设工程施工组织方式中,平行施工方式具有的特点是( )。
【简答题】请根据意思补全下列词汇,使段落完整。 If you’re invited for dinner, it’s a 1 ( 适当的 )to bring the host a bottle of w 2 ( 酒 ), a g 3 ( 礼物,天赋 )basket of fruit, a box of candy, or a small p 4 ( 盆栽的;瓶或灌装 )plant or a b 5 ( 束,...
【单选题】听力原文:W: I haven't seen you here for a couple of weeks. M: I've been spending a lot of time in the library. W: Working on a paper? M: I wish I were working on a paper. I was working on three different ...
A.
Writing papers for his classes.
B.
Meeting with his professors.
C.
Doing extra work in the chemistry lab.
D.
Working overtime as a librarian.
【单选题】高处作业对工具和使用材料的要求是()。
A.
使用的工具用手拿牢,不用的工具放稳。拆下的材料往下扔时,必须有人监护
B.
使用的工具应拿牢,暂时不用的工具装入工具袋随用随拿。拆下的材料采用系绳溜放到地面,不得抛掷
C.
使用的工具应拿牢,暂时不用的工具装入工具袋。拆下的长料用绳溜放,短料抛掷时应有人监护
【单选题】听力原文: I wasn't too fond of the lecture classes of 400 students that were in my general courses. Halfway through my second term, when I was considering whether or not to come back in the fall, I went o...
A.
He didn't like the big lecture classes.
B.
He couldn't afford further education.
C.
He was not interested in education.
【简答题】Professor Roberts's classes are always _______ (interest). At the end of the day, I'm always ______ (tire), but Professor Roberts's class wakes me up. He's never ______ (bore). I'm very ______ (satis...
【简答题】If you’re invited for dinner, it’s a ( 适当的 )to bring the host a bottle of w ( 酒 ), a g ( 礼物,天赋 )basket of fruit, a box of candy, or a small p ( 盆栽的;瓶或灌装 )plant or a b ( 束,串 )of flowers. Don’t bring ro...
【多选题】(中国大学mooc,王利文等)建设工程施工组织的方式有( )。
【简答题】工具电极夹具 的作用是:调节工具电极与工作台的 以及工具电极在水平面内微量的扭转角。