A:近日各处人员有不告假而行者,有久假不归、托故续假者,有散于各地自由行动者,若不严加惩处,必致纪律扫地。
B:年轻人如果胸无大志,目光如豆,是难以成就一番大事业的,总有一天要被这个社会淘汰。
C:2011年10月23日晚,杭州烟花大会上,20多万发烟花在钱塘江上燃放,烟火交相辉映,令人目不交睫。
D:面对民俗展览会上展出的秦淮扎灯、桃花坞年画、惠山泥人、扬州漆器等民间艺术中的瑰宝,很多观众交口称赞,感叹相见恨晚。
从方框中选择恰当的句子补全对话。(其中有两个多余)A: Hi, Mikc!B: Hello!A:____ B: Yes, but one thing annoyed me.A: ____ B: On the bus, I saw a woman eating bananas and threw the banana skins out to the window.A: ____ B: I told her what she did was not right.A: You were right. Throwing the litter away will pollute the environment.B: I Agree with you.A: ____ B: She didn’t take my words at all.A: No wonder(难怪) you are so angry.
已知数列{an}满足a1=2,an+1-an+1=0n∈N*,则此数列的通项an等于( )
圆C1: x+22+y-22=1与圆C2:x-22+y-52=16的位置关系是( )