【单选题】Did the man break his left arm?
【判断题】用人单位必须依法向安全生产监督管理部门申报职业病危害因素。( )
【单选题】与使用浏览器下载资源相比较,使用下载工具软件进行资源下载有许多优点,下列选项中哪项不属于其优点?()
【单选题】由仓储设备、搬运设备及信息传送设备所组成的系统被称为( )
【单选题】碳素工具钢的牌号由“T+数字”组成,其中T表示( )。
【单选题】They did an experiment because they _____________.
A.
wanted to know whose watch was better
C.
wanted to repair their watches
D.
had a basin of water in their lab
【简答题】()is a robot whose arm has three prismatic joints
【单选题】下列各账户余额年终转入“本期盈余”账户贷方的是( )。