Many pet owners see their pets as family members. However，when they have to go away on business or for some other reasons，and cannot take their pets along，they feel guilty about it and wish they could do something for their deeply loved pets. The Pet Hotel is set up especially for this reason.

    What do we offer?

    The Pet Hotel offers pets large rooms and the latest equipment（设备）.Like other hotel rooms，we offer color TVs，suitable beds，sofas and other pieces of furniture for pets.

    We prepare great food for the little guests，walk them at least twice a day，and provide them with all kinds of amusements（娱乐活动）. In addition，we brush and clean pets. To make pets feel at home，we play the sort of music which is often played at their homes and turn the TV to the pets' favorite channels. Pets will surely feel comfortable in our hotel!

    We also have video cameras in each room so that owners can check online twenty-four hours a day to make sure that the pets are having a good time at the hotel. We also have phones so that pet owners can call their pets and talk to them every day.

    How much does it cost?

    The prices change according to the size of the rooms. A regular room with standard service costs 1,500 dollars.

在下面一段文字横线处补写恰当的语句，使整段文字语意完整连贯，内容贴切，逻辑严密。每处不超过15个字。

    《竹书纪年》载：“炎帝育于姜水，故以姜为姓。”《史记补三皇本纪》亦载：“长于姜水，因以为姓。”我们可以理解为距今约5 000年前，①____。②____？古之姜水，据《水经·渭水注》所载是在姜氏城南，即今岐山县周原一带。不过，据《大明一统志》记载，凤翔府宝鸡县南七里有姜氏城，城南也有姜水，此姜氏城今名姜城堡，往南即益门堡，堡西有一水今仍名清姜河。以上两说孰是孰非，不必过于拘泥。但总是在凤翔府地，即今宝鸡市区之内。可以肯定地说，③____，湖南、湖北、山西、河南等地的炎帝遗迹和炎帝文化，是炎帝或其后裔迁徙的结果。

初一学生小华决定利用假期参加当地志愿者团体组织的社区实践活动，通过这种方式体验社会生活，这样做可以（　）

①把课堂学到的理论知识与社会实践联系起来，加深对课堂的理解  ②能培 养和锻炼小华的实践能力

③早日独立，摆脱父母的管教                                                                   ④培养小华的社会责任感