下列句子顺序排列正确的一项是（     ）

 ①这一切都使人想着一样东西——生命。②这南方初春的田野！③树上的嫩芽也密了；④大块小块的新绿随意地铺着，有的浓，有的淡；⑤田里的冬水也咕咕地起着水泡。

已知，如图，A是⊙O外一点，AB，AC分别与⊙O相切于点B，C，P是BC上任意一点，过点P作⊙O的切线，交AB于点M，交AC于点N，设AO=d，BO=r．求证：△AMN的周长是一个定值，并求出这个定值．

古诗文填空。
①我寄愁心与明月，                     。 （李白《闻王昌龄左迁龙标遥有此寄》）
②                    ，却话巴山夜雨时（李商隐《夜雨寄北》）
③学习和思考的辩证关系是怎样的呢？《〈论语〉十二章》中对此进行了这样的阐述：“                     ，                     。”
④王湾的《次北固山下》一诗中包含旧事物中孕育新事物的哲理名句是：                    ，                    。
⑤晏殊的《浣溪沙》中被誉为“天然奇偶”的名句是：                        ，                         。
⑥ ______________________，则是无信;____________________,则是无礼。（《陈太丘与友期》）

把甲平行四边形先向____平移____格．再向____平移____格，能得到乙平行四边形．

      Yesterday when my son and I were eating dinner, I saw a policewoman walking past our house. A woman with a1look was following her.
      I opened the 2 , went out and asked if everything was OK. The policewoman said that the woman's3 had gone missing(失踪) an hour earlier. I said that we hadn't seen the girl, but wecould4.Iexplained to my son that we couldn't finish our5 right then. He said,” Be a kind person, Dad. "We got in our car and6 the girl all over the town. Along the way,a group of chil­dren were playing.  7they heard what had happened, they said they would help8 . They rode their bikes and joined us. 9 the little girl was found safe a few miles away. I was so 10to see many people help a stranger. It is a nice world.