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【单选题】
机械加工的最初工序只能用工件毛坯上未经加工的表面作定位基准,这种定位基准称为( )基准。A.
装配
B.
设计
C.
精
D.
粗
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【判断题】The art works from ancient times, the very foundation of civilization, forms the basis of study of the applied science.
A.
正确
B.
错误
【单选题】二级维护项目中,对于 DC-DC 工作状态检测的基本要求是( )。
A.
车辆正常启动
B.
蓄电池电压正常
C.
仪表指示低压系统电压在规定范围
D.
低压用电器运转正常
【单选题】From ancient times Chinese rulers have to ____ with powerful non-Chinese neighbors and potential conquerors.
A.
debate
B.
contend
C.
challenge
D.
champion
【单选题】From ancient times, the valley of the Nile has been made______ by the river's floods.
A.
fluent
B.
fruitful
C.
futile
D.
fertile
【简答题】地下水按埋藏条件可分为哪三种水？
【单选题】From ancient times, there have been three famous foreign invasions upon Britain, which of the following is Not included?
A.
The Roman Conquest
B.
The Anglo-Saxon Conquest
C.
The Norman Conquest
D.
The Spanish Conquest
【单选题】Yang Jiechi stated firmly that the Diaoyu islands had belonged to China from ancient times and in 1895 after Japan defeated the Qing Dynasty in a war.
A.
seized
B.
were seized
C.
have been seized
D.
had seized
【单选题】From ancient times, the valley of the Nile has been made_____by the river floods.
A.
famous
B.
deserted
C.
attractive
D.
fertile
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