完形填空
Aninsect(昆虫)isaverysmallanimalwithsixlegsanda1withthreeparts.Aspideris2reallyaninsectbecauseithasfour3oflegsanditsbodyhasonlytwoparts.
Somespidershaveeighteyesandsomehave4thaneightbuttheyarenotgoodeyesandspiders5seeverywell.Theycansmellandfeelthingsverywellsotheydon'tneedtheir6.Theyhavelittleteethandwhenthey7somethingforexampleaninsectoranotherspiderpoisongoesfromtheseteeth8theinsect.Theinsectthencan'tmoveandit9die.Thespidertheneatsit.Somespiderscankillbiganimals10thiswaybutmostspiderscanonlykill11insects.
Whenwethinkof12weusuallythinkoftheirweb.Marryspidersmakewebs13insects.
Websaremadeofthinstringswhichcome14thespider'sbody.Thespiderisvery15anditswebisverybeautiful.Firstitmakestheoutsideweb.Thenitmakeslines16themiddleoftheedges.17startinginthecenterthespidermakescircle.
Thewebisstickyandwhenitisreadythespidersitsinthemiddleandwaitsforaflyoranotherinsecttotouchthewebfromwhichit18getaway.Thespider19thewebmoveandwalksacrossthewebandkillstheinsect.Thespiderhasoilonitsfeetanditcanwalkontheweb20stickingtoit.
1.
[]
A.head
B.body
C.tail
D.mouth
2.
[]
A.not
B.surely
C.no
D.certainly
3.
[]
A.pieces
B.piles
C.pairs
D.groups
4.
[]
A.little
B.few
C.alittle
D.fewer
5.
[]
A.donot
B.do
C.ever
D.not
6.
[]
A.feet
B.legs
C.eyes
D.hands
7.
[]
A.move
B.bite
C.taste
D.feel
8.
[]
A.toward
B.forward
C.outward
D.into
9.
[]
A.may
B.must
C.shall
D.can
10.
[]
A.like
B.in
C.by
D.on
11.
[]