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【判断题】
式变速操纵机构结构比较简单。A.
正确
B.
错误
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举一反三
【简答题】Exchange of non-SI units of measure with the SI values:
【多选题】In contrast with the tools lei and si, leisi has the following benefits:
A.
its handle was longer and at a proper length;
B.
its working part, that is the cutting edge, was sharper and more durable;
C.
the new tool made it possible for people to work with a standing position.
D.
the service life of the tool became much longer.
【判断题】内蒙古自治区 政府认为某项许可法律、法规没有规定,于是制定政府规章设定该许可。实施 2 年后,该自治区人大常委会对该许可制定了地方性 法规。该做法是正确的。
A.
正确
B.
错误
【单选题】The crystalline structure of Silicon carbide is with alternating Si and C atoms covalently bonded together
A.
Cubic-like
B.
Diamond-like
C.
Hexagon-like
D.
Layer-like
【简答题】主供油系统的作用是保证发动机着正常工作时,化油器所供给的混合气随着节气门开度加大而逐渐变稀,在发动机的全部工况范围内,除了( )和( )以外,主供油系统都起供油作用。
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