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【单选题】
指加工后零件的实际尺寸与零件尺寸的公差带中心的相符合程度。A.
尺寸精度
B.
形状精度
C.
位置精度
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举一反三
【单选题】Which of the following was not the city-state of Greece in the Golden Age?
A.
Corinth
B.
Athens
C.
Sparta
D.
Rome
【单选题】The state of Washington, (which) entered the Union (in 1889), (was) named (for honor of) George Washington.
A.
which
B.
in 1889
C.
was
D.
for honor of
【单选题】which of the following was not the city-state of Greece in the Golden Age?
A.
Athens
B.
Sparta
C.
Knossos
D.
Miletus
【多选题】下列临时应急照明符合设臵要求的是( )
A.
作业场所应急照明的照度不应低于正常工作所需照度的90%，疏散通道的照度值不应小于0.5lx。
B.
作业场所应急照明的照度不应低于正常工作所需照度的90%，疏散通道的照度值不应小于1.0lx。
C.
临时消防应急照明灯具宜选用自备电源的应急照明灯具，自备电源的连续供电时间不应小于60min。
D.
临时消防应急照明灯具宜选用自备电源的应急照明灯具，自备电源的连续供电时间不应小于30min。
【单选题】The double blows of the divorce and death left sydney in a state of emotional paralysis , during which she was unable to finish her thesis in psychology.
A.
confusion
B.
disorder
C.
collapse
D.
apathy
【简答题】抱腰阻截控制技能的适用警情是什么?
【单选题】Which building was not located in USA.
A.
Empire State Building
B.
the Eiffel Tower
C.
Golden Gate Bridge
D.
World trade center
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