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【简答题】
反应堆压力容器筒体与顶盖之间是如何保证密封的？
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【单选题】I watched as Dr. Ian Stead, the archaeologist in charge of the excavation, began carefully removing the peat with a clay modelling tool. X-rays taken through the box while it was at the hospital revea...
A.
a vague picture of the bones
B.
exactly what they were looking for
C.
which deposits were clay and which were peat
D.
exactly how the man had died
【单选题】The interesting discovery made by the archaeologist was____.
A.
that the city had once been prosperous
B.
that the temple had been used as a place of workship
C.
they found the fifteen statues had been pained
D.
that they were not the first to have found the head of the goddess.
【单选题】An archaeologist has to pay much attention to______details of an unearthed object.
A.
miserable
B.
punched
C.
minute
D.
moist
【简答题】archaeologist：_______________(adj.)
【简答题】archaeologist：_______________(adv.)
【简答题】图所示是电动窗帘的结构简图，它通过一台直流电动机来带动两片窗帘沿轨道来回运动，左边窗帘的一端固定在A点，另一端连在绳子上的D点、并随着绳子在AD之间来回运动；右边窗帘的一端固定在B点，另一端连在绳子上的C点、并随着绳子在BC之间来回运动，且AD=BC =2 m．这样通过控制电动机的正反转就可实现窗帘的开与合. (1)该电动窗帘的开与合，是通过改变电动机中的方向来实现的． (2)图甲所示是小明为窗帘...
【单选题】It was ____ very rare find and the archaeologist who made ____ discovery said it was like unearthing a Mona Lisa. [ ]
A.
a; the
B.
the; the
C.
the; a
D.
a; a
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