关于英语的问题是阅读OurPlaceinSpace(太空)Thereareabouttenhundredmillion(1,000,000,000)galaxies（银河系）intheuniverse(宇宙).Wecanseeonlyasmallpartofoutgalaxy.ThisistheMilkyWay(银河).Thereareabouttwohun

　　关于英语的问题

　　是阅读

　　OurPlaceinSpace(太空)

　　Thereareabouttenhundredmillion(1,000,000,000)galaxies（银河系）intheuniverse(宇宙).Wecanseeonlyasmallpartofoutgalaxy.ThisistheMilkyWay(银河).

　　Thereareabouttwohundredbillion(200,000,000,000)stars(恒星)intheMilkyWay.Thesunisoneofthestars.Therearenineplanets(行星)aroundthesun.

　　Theearthisthethirdplanetfromthesun.Theearthhasonenaturalsatellite(自然卫星)——themoon.Themoonisonlyaquarterofthesizeoftheearth.

　　根据短文内容选择正确的选项.

　　（）1.A.TheMilkyWayisagalaxy.B.Oursunisagalaxy.

　　C.Ourearthisagalaxy.

　　()2.A.Themoonisastar.B.Ourearthisastar.

　　C.Oursunisastar.

　　()3.A.Theearthisasatelliteofthemoon.

　　B.Theearthhastwonaturalsatellites.

　　C.Themoonistheearth’ssatellite.