【单选题】It takes _____ 30 minutes _____ his homework. [ ]
【判断题】中国精神是民族精神与时代精神的辩证统一。 ( )
【判断题】生产批量越大,对工人技术水平要求越低,但工艺文件要求越详细。
【单选题】不属于传感器(医学仪器)静态特征指标的是( )
【判断题】生产批量越大,对生产工人技术水平要求越低,但工艺文件要求越详细。
【单选题】What do they do?
A.
They move him to the side of the street.
B.
They take him to the nearest hospital.
C.
They call the First Aid Centre for help.
【单选题】It takes _____ ten minutes _____ his homework. [ ]