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【单选题】
联轴器型号的选择依据是被连接两轴的A.
直径和转速
B.
直径和计算扭矩
C.
转速和计算扭矩
D.
直径、计算扭矩和转速
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反馈参考答案：
举一反三
【单选题】CSS定义为.center{ text-align:center; } 以下选项中文本会居中对齐的是?
A.
我会居中吗？
B.
我会居中吗？
C.
我会居中吗？
D.
我会居中吗？
【单选题】Sushi, the thousand-year-old Japanese delicacy, started small in the United States, in a handful of restaurants in big cities. Today, sushi consumption in America is 50% greater than it was ten years ...
A.
sushi is now a fast food as popular as hot dogs, burgers, and fries.
B.
more sushi is sold in restaurants than in supermarkets.
C.
Americans are more adventurous eaters than they were in the past.
D.
sushi wasn’t always widely available in the United States.
【简答题】甲状腺功能亢进术后出现误咽、呛咳是由于 A．喉返神经损伤 B．喉上神经外支损伤 C．喉上神经内支损伤 D．副神经损伤 E．舌咽神经损伤
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