【单选题】The number of people invited ______ fifty, but a number of them ______ absent(缺席) for different reasons.
【判断题】汽车的动力性、燃料经济性、滑行性、制动性和车速表指示误差等,均可在滚筒式试验台上测定。
【单选题】The number of people invited______fifty, but a number of them______absent for different reasons.
【单选题】 The following extract of information is available concerning the four cost centres of EG Co. Production cost centres Service cost centre Machinery Finishing Packing Canteen Number of direct employee...
【单选题】The new survey shows that the number of students________computer games has been on the increase in recent years. [ ]