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【单选题】
新六氟化硫气体的技术条件中，微水含量不得大于8ppm，生物毒性试验的指标是()。A.
无毒
B.
有毒
C.
有气味
D.
剧毒
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【简答题】小车按图3.32(教材P82)所示的动作过程进行循环周期性的运行,自动往返于A、B、C三点之间,通过控制接触器KM1和KM2的线圈来实现电机M1的正反转实现,进而实现小车前进和后退动作,请完成下面的要求: 1.I/O地址分配表;2.顺序功能图;3.编写梯形图控制程序。
【单选题】We wanted a new table for dinner, so my father bought _____ from a furniture store yesterday.
A.
itself
B.
one
C.
himself
D.
another
【单选题】My father ________ my brother for driving but he wanted to pick ________ the knowledge of the computer during his spare time. [ ]
A.
advised; up
B.
persuaded; out
C.
intended; up
D.
managed; out
【简答题】I dreamed of becoming an (engine) ______ while my father wanted me to be a doctor.
【单选题】We wanted a new table for dinner，so my father bought__________ froni a furniture store yesterday．
A.
itself
B.
one
C.
himself
D.
another
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