【单选题】We went to the factory ___we visited last year.
【单选题】扩展名为( )的文件,在没有安装PowerPoint 2010的系统中可直接放映。
【单选题】Because of the recent fire in the factory, all the stocks were destroyed. (), we cannot make shipment as arranged before.
【单选题】扩展名为( )的文件,在没有安装PowerPoint2010的系统中可直接放映
【单选题】用拖车钩或拖车绳拖车时,需要拆掉( ),用绝缘胶带包好。
【单选题】扩展名为( )的文件,在没有安装PowerPoint 2010的系统中可直接放映。
【单选题】The river by waste products from the factory. We can find no fish in it.
【判断题】感觉适应是由于刺激物对感觉器官的持续作用,而引起感觉器官发生变化的现象。
【判断题】In the future factory we still need lots of people to work.
【单选题】扩展名为哪个的文件,在没有安装PowerPoint 2010的系统中可直接放映?