_____ the engines, the diesel engine is ____ used engine on board
A.Between / more commonly
B.Among / the most commonly
C.Between / not more commonly
D.Among / not the most commonly
第1题:
(piston area)×(piston stroke)×(numbers of the cylinders)=engine( ).
A.brake horsepower
B.displacement
C.cylinder volume
D.cylinder clearance
第2题:
A.0
B.1
C.4
D.8
第3题:
以下()不是字段的约束条件关键字。
A.primary key
B.default
C.unique
D.engine
第4题:
A.1
B.4
C.8
D.16
第5题:
4、MySQL支持的存储引擎有哪些()
A.MyISAM
B.InnoDB
C.MEMORY
D.Engine
第6题:
21、以下___________是约束条件关键字。
A.primary key
B.default
C.unique
D.engine