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【单选题】
图中红色箭头所指的是A.
臀上神经
B.
臀下神经
C.
坐骨神经
D.
股后皮神经
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举一反三
【单选题】听力原文： A six-year-old boy has been found alive after spending four days and five nights in an icebox that was buried under tons of ruins in Thursday's big earthquake. The boy, Tom, was found early yest...
A.
He lost consciousness.
B.
He was slightly wounded.
C.
He was seriously injured.
D.
He was buried under an icebox.
【简答题】After four days of (free) ____________, the escaped prisoner gave himself up to the police.
【单选题】听力原文： A six-year-old boy has been found alive after spending four days and five nights in an icebox that was buried under tons of ruins in Thursday's big earthquake. The boy, Tom, was found early yest...
A.
He lost consciousness.
B.
He was slightly wounded.
C.
He was seriously injured.
D.
He was buried under an icebox.
【单选题】After getting lost in a storm, a member of the navy team ______ four days later.
A.
rescued
B.
was rescued
C.
has rescued
D.
had been rescued
【单选题】一对外啮合正常标准直齿圆柱齿轮传动,已知 m=5mm, 小齿轮齿数 Z 1 =26, i =2.5 ,求 两齿轮中心距a。
A.
65mm
B.
130mm
C.
227.5mm
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