—Sorry, but I _________ it for only half an hour. I haven't finished it.
A:lend; bought
B:borrow; have bought
C:borrow; have had
D:lend; have had
图中,L1和L2是两只完全相同的灯泡,开关S闭合后电压表V1的示数为4V,电压表V2和V3的示数应分别为( )
英国近代诗人雪莱曾说:“我们都是希腊人.”他这样说是因为( )
某学校举办历史知识竞赛活动,请问下列英雄人物中哪些是抗美援朝战争中涌现出来的( )
①黄继光 ②邱少云 ③狼牙山五壮士 ④邓世昌