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【单选题】
因做假账被吊销会计从业资格证书,但尚未被迫究刑事责任的人员,自被吊销会计从业资格证书之日起______年内,不得重新取得会计从业资格证书。
A.
1
B.
2
C.
3
D.
5
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【单选题】下列( )是润滑油基础油的理想组分
A.
正构烷烃
B.
少环长侧链的化合物
C.
多环短侧链的化合物
【单选题】In a two-stroke engine the camshaft rotates at____ the engine rotational speed.
A.
half
B.
twice
C.
the same speed as
D.
four times
【多选题】下列类型黄酮在甲醇溶液中的UV光谱具有2个吸收带的是( )。
A.
黄酮
B.
黄酮醇
C.
二氢黄酮
D.
异黄酮
E.
查耳酮
【单选题】下列()是润滑油基础油的理想组分。
A.
正构烷烃
B.
少环长侧链的化合物
C.
胶质
D.
多环短侧链的化合物
【单选题】Each cylinder in a two stroke cycle engine experiences combustion().
A.
once each crankshaft revolution
B.
twice each crankshaft revolution
C.
every other crankshaft revolution
D.
every fourth stroke
【单选题】下列__是润滑油基础油的理想组分。
A.
正构烷烃
B.
少环长侧链化合物
C.
多环短侧链化合物
D.
胶质
【单选题】In a two-stroke engine, there are always a series of openings known as , and in some circumstances, there are also openings known as , in the part of the cylinder liner.
A.
scavenging air ports; exhaust ports
B.
inlet ports; scavenging air ports
C.
scavenging air ports; inlet ports
D.
exhaust ports; inlet ports
【单选题】My grandfather is such a forgetful person that he has to _______ many things, even his daily meals. [     ]
A.
be remembered by
B.
be reminded of
C.
be memorized
D.
be reminded
【单选题】In two-stroke engine the crankshaft is connected with ____ by means of the connecting rod.
A.
the stuffing box
B.
the piston
C.
the crosshead
D.
guide plate
【判断题】数控机床刀具从机械手中脱落,排除故障时应更换卡紧销或弹簧。
A.
正确
B.
错误
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