On a four-stroke diesel engine, when the piston is driven downwards by the expanding gas,
A.thrust block
B.sounding rod
C.connecting rod
D.push rod
A.thrust block
B.sounding rod
C.connecting rod
D.push rod
第1题
A.single minute exchange of dies
B.single man exchange of dies
C.some minute exchange of dies
D.some man exchange of dies
第2题
An infected tree usually dies immediately.
A.Y
B.N
C.NG
第3题
A.profits
B.wealth
C.assets
D.products
第4题
第6题
What happens after a star dies?
A.It becomes invisible.
B.It falls to Earth.
C.It burns up all of its gases.
D.It becomes brighter and easier to see.
第7题
When the fever eventually____, he is likely to feel tired and weak for a while.
A: dies down
B: dies out
C: loses
D: leaves
第8题
B.Man kann so vermuten, dies liegt an der Ver?nderung der gesamtgesellschaftlichen Werte in DeutschlanD
C.Es kann vermutet werden, dass dies an der Ver?nderung der gesamtgesellschaftlichen Werte in Deutschland liegt.
D.Vermutlich kann man sagen, dass dies an der Ver?nderung der gesamtgesellschaftlichen Werte in Deutschland liegt.
E.Es l?sst sich vermuten, dass dies an der Ver?nderung der gesamtgesellschaftlichen Werte in Deutschland liegt.
第9题
When our Sun dies, it may ______
A.shed most of its mass to the space and shrink into a dwarf directly.
B.break up into pure water and sand.
C.blow its transparent outermost layer into space by starlight.
D.bloat to a red giant and make carbon from pitch-black dust.
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