Research _______________ (indicate) that eating habits are changing fast.
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They were _____________ (deprive) of a normal childhood by the war.
Ours is a factory which supplies _______________ (component) for the car industry.
在站台及未封闭线路的接触网支柱上距轨面2.5m高的处所,以及安全挡板、细孔网栅和跨线桥防护网栅均应设置白底、黑字、红色闪电符号的“接触网终端标”警示标识。正确错误
A. 对
B. 错
每根接触网支柱上均应安装反光号码牌。正确错误
A. 对
B. 错