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【单选题】
固定臂与身体中线平行且移动臂与肱骨纵轴平行测量的是A.
肩关节外展
B.
肩关节
C.
肘关节
D.
肩关节内外旋
E.
前臂旋前旋后
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举一反三
【单选题】According to the passage, mathematicians present a danger to scientists because ______.
A.
mathematicians may provide theories that are incompatible with those already developed by scientists
B.
mathematicians may define situation in a way that is incomprehensible to scientists
C.
mathematicians may convince scientists that theoretical assumptions are facts
D.
scientists may come to believe that axiomatic statements are untrue
【单选题】—I'm not sure _________there are living things on the planets or not. —Even scientists aren't sure about it. [ ]
A.
whether
B.
where
C.
why
D.
what
【单选题】______the bones under the sand，the scientists concluded that they came from the dinosaurs about 65 million years ago．
A.
Being inspected
B.
Inspected
C.
Having inspected
D.
To inspect
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