III．阅读理解
Thebluetits(山雀)havebeeninspectingthenest-boxagainthisyear.Themaleisthehouse-hunterbutthefemalewillmakethefinalchoice.Helandsattheholeandturnshisheadtoexposehiswhitecheeksasasignaltoattractthefemalefromwhereshehasbeenfeeding.
Amongmanybirdsthatnestinholes,themalehasalight-colouredpatchonitsplumage(鸟羽)whichactsassignalfordrawingthefemale’sattentiontoasuitablenesting-place.Unlikethebluetit,theredstart(红尾鸲)maybeonlythemalethatstrikinglycolouredandthefemaleisnotbeautiful.
AfewyearsagoIwasluckyenoughtospotapairofredstartsinactioninaWalshwood.Themalewasleadinganinterestedfemaletoholesthathehadpreviously(先前)checkedout.Hesatattheentranceofeachholeandputhisheadontoshowoffhiswhiteforehead,orhisheadintoreveal(显露)histail.
Ifthefemalefailedtoreacttohisvisualsignals,themalesometimessangforextraeffect,whileglidingtowardsheronspreadwingsandtail.Oncethefemaleacceptsbyfollowingthemalethroughtheholethedisplaysstop,youmustbeattherightplaceattherighttimetowatchthem.
36.Howdothebluetitschoosetheirnest?
A.Theychoosetheirnesttogether.     
B.Themalechoosestheirnest.
C.Thehouse-hunterchoosestheirnest.
D.Thefemalechoosestheirnest.
37.Thewriterwasluckytosee________.
A.howthemalemadehistricks
B.howaninterestedfemaleplayedwiththemalehappily
C.whatthemaledisplayedandwonthefemale
D.thatthemaletriedhisbestbutfailedtoattractthefemale
38.YoucanspotapairofredstartsinaWalshwood________.
A.atanytime       B.regularly   C.inApril   D.occasionally
39.Thewriterisprobably________.
A.abirdexpert   B.abird-hunter  C.abirdraiser  D.ascientist