根据短文内容,从短文后的七个选项中选出能填入空白处的最佳选项。选项中有两项为多余选项。
HowtoMakeaGlodfishLiveforDecades
Believeitornotagoldfishcouldlivefor10—25yearsotlongerifit’sgivenpropercare.Howeverwithnormalcareitusuallylivesforabout6years.TheGuinnessBookofWorldRecordsmentionsagoldfishnamedTishthatlived43years!____【小题1】__.
Purchasethelargestpossibletankyoucan.Whileusinga20litertankisbetterforthefishthananykindofafishbowlatleast40litersisnecessaryforqualityoflifeasinglefish.Chineseatankwithlargesurfaceareatoincreasetheamountofoxygenincontactwiththesurfaceofthewater.
__【小题2】 Besurethatanydecorationsyouchoosearen’thollow(harmfulbacteriacangrowinside)andthattheydon’thavesharpedges.Provideyourfishwithdifferentareasinthetanksuchasanopenareaidealforswimmingandahidingarea.Ifyoufeedthematthesametimeeverydaytheywillsoonbewaitingforyouatthattimeandgrowusedtoyourpresence.
Addsomeequipmenttoincreaseoxygenintothewater.__【小题3】 Youcanalsohavethecurrentfroma“waterfall”typefilterhelpagitate(搅动)thewater‘ssurface.
Cleanthetankatleastonceeverytwoweeksbutmorefrequentlyispreferableduetothelargeamountofwaste.__【小题4】
Feedthegoldfishonetothreetimesdailywithfoodapecificallydesignedforgoldfish.___【小题5】 Givethemonlyasmuchastheycaneatinafewminutesandcleananyleftoversimmediately.
A.Providementalandphysicalstimulation(刺激)forthefish.
B.Beawarethatgoldfishwillnoteatbelow50--55 °C(10--14°C).
C.Here’showtohelpyourcommpanionsurviveintothe“goldenyears”.
D.Ifyoudoneedtocatchyourfishconsiderusingaplasticcontainerratherthananet.
E.Asmallairpumpcanbenecessary.
F.Howoftenyoudothiswilldependonthesizeofyoutankthenumberoffish.
G.Ifyouchoosetofeedthemmoreoftenthenreducethesizeofthemealssoyoudon’toverfeed.