驾驶车辆变更车道时,应提前开启转向灯,注意观察,保持安全距离,驶入要变更的车道。
参考答案:对
某植物有花,叶脉一般具有网状脉,则可推断这棵植物可能是( )
A.、单子叶植物
B.双子叶植物
C.裸子植物
D.孢子植物
Our monitor, who by then ______ admission to Fudan University, decided to do some part-time jobs to gain more practical experience.
A.gained
B.was gaining
C.has gained
D.had gained