在220V电源上串联下列4个灯泡，（）W灯最亮
A.150
B.100
C.60
D.40
参考答案：D
某校团委组织学生到距离学校15km处的烈士陵园扫墓，一部分学生骑自行车先走，40分钟后，其余的人乘汽车出发，结果他们同时到达烈士陵园．已知汽车的速度是自行车的3倍，求这两种车的速度．
In order to ______ a good knowledge of English, he gave up his job and went to study in an English
school.[ ]
A. require
B. acquire
C. inquire
D. address
