【简答题】The policeman made it plain to the driver that he must give an exact account of the process of the accident. A)警察让司机明白了,他必须交一份有关事故的说明。 B)警察让司机明白了,他必须确切地描述事故发生的过程。 C)警察向司机明确指出,他必须确切地描述事故发生的过程。 D)警察明确地告...
【单选题】The wounded policeman ____though doctors made every effort to save him.
【单选题】The policeman declared that the blow must be made from behind.
C.
ought to have been made
【单选题】They next made their way the hospital with the help of a policeman.
【单选题】The policeman’s______ traffic directions made all the drivers quite ______ .
【判断题】载体和目的基因连接时,启动子的转录方向必须与基因的方向一致。
【判断题】磁悬浮列车采用普通交流旋转电动机进行驱动。