如图，△ABC中，P为AB上一点，在下列四个条件中：
①∠ACP=∠B；②∠APC=∠ACB；③AC²=AP•AB；④AB•CP=AP•CB，能满足△APC与△ACB相似的条件是（　　）

根据短文内容选择答案。

      My name is Jack. I am a pupil of Grade One. I'm in No.1 Middle School. On weekdays I get up at six o'clock. I have breakfast at seven and then I go to school by bike. We begin our class at eight o’clock in the morning. We have four classes in the morning and three in the afternoon.

      At noon, I have lunch at home. Classes are over at four fifteen in the afternoon. After class, we often play football in the afternoon. I go home at about five. I have supper at about six thirty in the evening. I do my homework at seven thirty. At weekends, I watch TV. I often go to bed at ten. I'm very happy.

关于军机处的叙述，不正确的是（   ）