题目内容
(请给出正确答案)
[单选题]
Which of the following prefix means half?()
A.uni-
B.tetra-
C.hemi-
D.bi-
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A.uni-
B.tetra-
C.hemi-
D.bi-
A.by which
B.of which
C.to which
D.for which
A.in which
B.in that
C.at which
D.on which
A、when, where
B、when, which
C、which, which
D、which, when
A.that
B.which
C.what
D.by which
A.on
B.for
C.of
D.in
The()in the injector will lift at a pre-set pressure which ensures that the fuelwill atomize once it enters the cylinder.
A.needle valve
B.nozzles
C.piston
D.spring
Which of the following firing order may be used for a 6-cylinder engine? ()
A.1-2-3-4-5-6
B.1-2-3-6-5-4
C.1-5-3-6-2-4
D.1-3-4-5-6-2