公安机关是人民民主专政的工具,表明了公安机关的阶级本质,是公安机关性质的核心内容和本质特征。 ( )
参考答案:对
根据所给汉语完成下列句子。
1. You'd better put on the sunglasses to ___________ (遮挡阳光).
2. Some leaves ___________ (落到水里) and remained there for some time.
3. Could you please tell me ___________ (这本书我可以借多长时间)?
4. In her spare time, Amy ___________ (用旧电视机做玩具) and sells them to raise
money for the Children's Hospital.
5. Unless you speak French yourself, it's best to find ___________ (能为你翻译的人).
开启电缆井井盖、电缆沟盖板及电缆隧道人孔盖时应使用专用工具,同时注意所立位置,以免滑脱后伤人。开启后应设置标准路栏围起,并有人看守。工作人员撤离电缆井或隧道后,应立即将井盖盖好,以免行人碰盖后摔跌或不慎跌入井内。