The machine has stopped rotating because the bearing _____ t

【名词&注释】

强制性规定(mandatory provision)

[单选题]The machine has stopped rotating because the bearing _____ the shaft.

A. seized
B. clogged
C. melted
D. inserted

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学习资料：

[单选题]中暑处理措施是()Ⅰ.到阴凉、安静通风处休息Ⅱ.解开衣领放松裤带、鞋袜Ⅲ.冷水擦身或冷敷Ⅳ.给药物或大量清凉饮料

A. Ⅰ
B. ⅠⅡ
C. ⅠⅡⅢ
D. ⅠⅡⅢⅣ

[单选题]IBC规则的要求通过SOLAS公约第()章成为强制性规定。

A. 6
B. 7
C. 8

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