皮皮学,免费搜题
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搜题
【单选题】
活塞顶烧损的基本原因是:
A.
使用劣质燃油
B.
扫气不良
C.
频繁变负荷
D.
活塞顶过热
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举一反三
【单选题】I'm really tired _______ Tom. He had me _______ for two hours in the rain. [     ]
A.
of, waiting
B.
with; wait
C.
of; wait
D.
with; waited
【简答题】食醋酿造的不同阶段由不同微生物作用,在酒精发酵阶段,以 菌为主要发酵剂;而在醋酸生成阶段,以 菌为主要发酵剂。
【单选题】加工中心简称是( )
A.
CNC
B.
MC
C.
FMC
D.
DNC
【单选题】I have got used to staying up late at night I'm really tired and want to go to sleep early. [     ]
A.
unless
B.
if
C.
and
D.
or
【单选题】___ We take a rest? I'm really tired。
A.
Shall
B.
Will
C.
Would
D.
Ought
【单选题】I'm really tired of the weather here. Not a day passes ____.
A.
but that it rains
B.
it rains
C.
when it rains
D.
except it rains
【单选题】_____ go to the party? I'm really tired.
A.
Do we have to
B.
Can we
C.
Can't we
【单选题】I'm really tired. I need a .
A.
vocation
B.
vacation
C.
work
D.
job
【简答题】I'm really tired. I need a___________ !
【单选题】加工中心简称是()
A.
FMC
B.
MC
C.
DNC
D.
CNC