【单选题】使用油锯和电锯的作业,应由()和操作方法的人员操作。
【单选题】The author considers the explanation put forward by Freyre and Tannenbaum for the treatment accorded Black slaves to be
C.
ambitious but misguided.
D.
premature and illogical.
【判断题】在可逆的等温过程中,系统对外所作的功等于态函数自由能的减少
【单选题】The wonders which medical workers have already brought about in the diagnosis and treatment of disease suggest that a time may come when the physician will be able to yze most illnesses as soon as...
A.
have contributed little to the diagnosis and treatment of disease
B.
have their expectations too high
C.
have made remarkable progress in the diagnosis and treatment of disease
D.
have developed their potential to the full
【单选题】使用油锯和电锯的作业,应由( )的人员操作。使用时,应先检查所能锯到的范围内有无铁钉等金属物件,以防金属物体飞出伤人。
【单选题】圆柱体轴线垂直H面,平面与圆柱体相交,截交线的两投影为圆,那平面与圆柱体的位置:
【单选题】如果现场有多位孩子发生了意外,并有不同的表现。杨老师应首先救助哪位小朋友?( )
A.
萱萱:意识清醒,无明显伤口,但行走不便,并躺在地上边哭边大声呼救。
B.
蛋蛋:意识较清醒,有少量流血,看着很疼,坐在地上小声哭泣。
D.
毛毛:意识较清醒,没有明显伤口,被惊吓过度,坐在地上大哭
【单选题】在信息化战争中, 的发展为控制战争提供了相对有效的工具。
【多选题】《中国南方电网有限责任公司电力安全工作规程》(Q/CSG510001-2015)第28.2.14条规定:使用油锯的作业,应( )。
C.
检查所能锯到的范围内有无铁钉等金属物件,防止金属物体飞出伤人