A：had visited
B：have visited
C：visit
D：visited
下列区域的划分以单一指标为依据的是（ ）①热量带 ②干湿区 ③我国三大自然区 ④文化区
Indeed a lot of skillful methods are used in many advertisements to cheat consumers. Not all ads play tricks on us__________.
据《史记》载：一日，魏太子下车，向一位新贵——宫廷文士田子方致意，竟未得到回礼。太子问：“究竟富贵者还是贫贱者应当骄傲？”田子方答：“贫贱者。”并解释，他随时都能在别国宫廷上被派上用场。这反映了（ ）
He has some books on the desk, but _______ of them is on history.
