[简答]  二、阅读理解：阅读下面的短文，根据文章内容从A、B、C三个选项中选出一个最佳选项。Thehousesweliveinarevery.Theykeepusfrombeingcoldinthewinterandhotinthesummer.Inthewintertheykeepoutofthesnow.Theyalsokeepoutthewind.Evenifitisblowingoutside,weareniceandwarminside.Inthesummerhouseskeepthehotsunfromus.Whenitrains,theykeepusfromgettingwet.Housesarealsoplaceswefeelsafe.Peoplecan’tgetatusorourthings.Housesgiveusaplacetobetogetherwithourfamiliesandfriends.Mothersandfatherstheirchildrenthere.Thechildrenplaythere.Thefamilyeatandsleepunderthesameroof.Housesaredifferentinmanyways.Theyaremadeofdifferentthings.Somehousesaremadeofwood.Somearemadeofstones.Sometimesmorethanonethingisusedtomakeahouse.Housescomeindifferent.Somehouseshaveonlyoneroom.Somehouseshavemorethanoneroom.Bigbuildingsfoundincitieshaveagreatmanyrooms.Theyholdmanyfamilies.Theroomsinwhicheachfamilylivesarecalledanapartment.Housesaredifferentinthewaystheyare.Housesintropiccountriescanbelightlybuilt.Inplaceswhereitrainsmuchofthetime,housesmustkeepoutthewater.takecare(“注意”，“当心”，“留心”)