【单选题】根据文意,下列选项中古今词义变化不属于同一类的一项是
【单选题】下列选项公路分级中不属于同一类的是( )
【单选题】____ should not undertake any task which will interfere with the supervision duties relating to the main machinery and associated equipment.
A.
The watch keeping personnel
C.
The person on a bunker barge
【简答题】直接写出得数. (1)4×25+25= (2)3000-125×16= (3)75÷5×2= (4)(20+2)×50= (5)100-15÷3= (6)100÷(25-5)= (7)60÷15+16= (8)58+17+42= (9)50-20÷5=