患者男性,13岁,摔倒致肘关节后脱位。其最具标志性的体征是:
A. 活动受限
B. 反常活动
C. 关节肿胀
D. 肘后三角失常
E. 鹰嘴固定压痛
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We normally _____ (hold)our sales conference in Spain, but this year we________(hold)it in Poland.
Althougn we__________(use)our own sales rep at the moment, we generally _______(use)agents in Japan.
It normally______(take) us two years to develop a new product.
程序员可通过在网上根据具体需求找到现成代码,提高工作效率。()
A. 对
B. 错