联合收割机驾驶人考试科目分为科目一:理论知识考试;科目二:田间(模拟)作业驾驶技能考试;科目三:场地驾驶技能考试;科目四:方向盘自走式联合收割机道路驾驶技能考试。()
参考答案:错
破伤风的潜伏期平均为()
A.24h
B.1周左右
C.20天左右
D.1个月左右
E.2~3个月
Is this the piano _______ your familoy for over eighty years?
A.belonged to
B.belongs to
C.belonged
D.belonging to