判断材料：Hi,My name is Wang Li.I'm from Ta’an.I'm sixteen years old.判断题：Wang Li is seventeen years old.

【单选题】____ are good friends. A. Li Lei and I B. I and Li Lei C. Li Lei and me

题目:删除列表中重复的元素 要求:使用while循环 --------------------------------------------------------- 注意:不可以增加或删除程序行,也不可以更改程序的结构。 --------------------------------------------------------- li = [1,2,3,4,5,2,1,3,4,57,8,8,9] print("原列表:",li) i = 0 #变量i是li的下标 #**********FOUND【1】********** while i >= len(li): j = i + 1 #**********FOUND【2】********** while j <= len(li): if li[i] == li[j]: del li[j] #**********FOUND【3】********** break j = j + 1 i = i + 1 print("去除重复元素后的列表为:",li)

Li(x)有如下性质:Li(xi)=1,Li(xj)=(),j≠i

I met Li Ming at railway station yesterday. (强调地点）It was at the railway station ___________ I met Li Ming.

我昨天是在火车站遇到的黎明。 A: It was I who met Li Ming at the railway station yesterday. B: It was Li Ming who I met at the railway station yesterday. C: It was at the railway station that I met Li Ming yesterday. D: I was yesterday that I met Li Ming at the railway station.

— May I introduce myself? I'm Li Hua. — _________

Excuse ____（I）, ____（be） you Miss Li?

I often_______(交流)with Li Ming by letter

有人对你说What’s yourname ?如果你是Li Ming , 应该回答? A: I’m Li Ming. B: Hello! Li Ming. C: This is Li Ming.