2010年3月22日世界环境水日主题是“关注水质、抓住机遇、应对挑战”.下列标志与保护水资源有关的是( )
A.
禁止吸烟
B.
节约用水
C.
回收循环利用
D.
禁止燃放鞭炮
答案:B
移动式启闭机在通电运行前,必须将所有控制器的手柄扳至零位,将操作室通向走台的门和电气室门关好,严禁门架和大车轨道上及小车上有人,应确保没有人处在危险区域内。
An Intranet is (66) the application of Internet technology within an internal or closed user group. Intranets are company (67) and do not have a (68) connection to the Internet. Used properly an Intranet is highly effective corporate tool, capable of regularly (69) information to empower the workforce with the information needed to perform their roles. Used in this way, an Intranet represents a step towards the (70) office.
(70)是()
A.painless
B.painness
C.paperless
D.paperness