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【多选题】
肱骨干骨折的临床表现( )A.
局部压痛
B.
局部叩击痛
C.
肿胀
D.
畸形
E.
瘀血
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举一反三
【单选题】John said he’d been working in the office for hours, ______ true.
A.
he was
B.
it was
C.
which was
D.
who was
【单选题】John said he’d been working in the office for an hour, _____ was true.
A.
that
B.
who
C.
which
D.
what
【单选题】John said he’d been working in the office for hours, and ______ true.
A.
he was
B.
it was
C.
which was
D.
who was
【单选题】以下属于随机误差特点的是( )
A.
单向性、重复测定重复出现
B.
在同一条件下重复测定，正负误差出现的机会相等
C.
它对分析结果的影响比较恒定
D.
误差可以估计其大小
【简答题】LTE覆盖指标主要关注____和____;容量指标应重点关注边缘用户速率、小区平均吞吐量。
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