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【多选题】
电力拖动系统一般由四个子系统组成,分别是电源 , , , 。
A.
电动机
B.
控制设备
C.
传动机构
D.
工作机构
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【单选题】____, I think it would be better if I were a bird.
A.
Some time
B.
Sometime
C.
Sometimes
D.
Some times
【简答题】请将以下短文译成中文 Breakfast meetings rarely last more than a n hour. They imply certain urgency and are often convenient during business travels. Lunch is usually best for getting to know a guest a bit bette...
【单选题】Generally speaking, this is not a usual exit. You should only use this door in a(n) ______.
A.
emergency
B.
emergence
C.
accident
D.
urgency
【多选题】下列套筒灌浆连接接头设计要求中,表述正确的是( )。
A.
混凝土构件中灌浆套筒的净距不应小于 20mm。
B.
混凝土构件的灌浆套筒长度范围内,预制混凝土柱箍筋的混凝土保护层厚度不应小于 20mm,预制混凝土墙最外层钢筋的混凝土保护层厚度不应小于15mm。
C.
接头连接钢筋的强度等级不应高于灌浆套筒规定的连接钢筋强度等级。
D.
接头连接钢筋的直径规格不应大于灌浆套筒规定的连接钢筋直径规格,且不宜小于灌浆套筒规定的连接钢筋直径规格一级以上。
E.
构件配筋方案应根据灌浆套筒外径、长度及灌浆施工要求确定。
【简答题】下列套筒灌浆连接接头设计要求中,表述正确的是()。A. A、混凝土构件中灌浆套筒的净距不应小于 20mm。 B. 混凝土构件的灌浆套筒长度范围内,预制混凝土柱箍筋的混凝土保护层厚度不应小于 20mm,预制混凝土墙最外层钢筋的混凝土保护层厚度不应小于15mm。 C. 接头连接钢筋的强度等级不应高于灌浆套筒规定的连接钢筋强度等级。 D. 接头连接钢筋的直径规格不应大于灌浆套筒规定的连接钢筋直径规格, ...
【单选题】While the computer becomes more and more powerful, I don’t think it will completely ___________ teachers in class.
A.
slow down
B.
break away from
C.
take place
D.
take the place of
【单选题】11 is a special date,, I think, that will be remembered by the Americans forever.A.whatB.itC.whic
A.
9. 11 is a special date, , I think, that will be remembered by the Americans forever. A.what
B.
it
C.
which
D.
one
【简答题】同学们,大学生活看似漫长,却亦转瞬即逝,老师希望你在这四年里收获 爱情。都说爱情是最美的童话! 友情。做破除彼此困境的大手! 亲情。感恩父母、老师和亲朋! 健康。健康是一切一切之本! 知识。以书为伴,终不悔! 技能。外语(四级),沟通交流都门清! 自信。成功之基石,愿自信与微笑伴你左右。 能力。auto CAD,Protel,C,Keil C,Matlab,PLC组态,掌握一种很重要,做到熟练靠自...
【单选题】“I think the teacher is wrong, _____?” “No, I don't think so.”
A.
don't you
B.
don't I
C.
doesn't he
D.
doesn't she
【单选题】I don’t think that your watch is ____.
A.
worthy the price
B.
worth the price
C.
worthy to buy
D.
worth to buy
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