etheboat.Itshouldbeata45°a
gletotheboat.It
eedstobeoutfare
oughtocatchthewi
dbutitshould
tflap摆动.Itshould
tlooklikeo
aflagpole.Ifitisflappi
gitisprobablyouttoofara
dtheboatwillslowdow
Saili
gi
tothewi
dis
otpossible.Ifyoutrythesailwillflapa
dtheboatwillstop.Youmaywa
ttogoi
thatdirectio
.Itispossiblebutyouca
tgoi
astraightli
e.Youmustgofirsti
o
edirectio
a
dthe
i
a
other.Thisiscalled
ftacki
g.Whe
youaretacki
gyoumustalwayskeepthesaili
sidetheboat45.Whatshouldyouco
siderfirstwhilesaili
gA.Sailorsstre
gthB.WavelevelsC.Wi
ddirectio
sD.Sizeofsails46.Whatdoestheword“It”u
derli
edi
Paragraph4refertoA.TheboatB.Thewi
dC.ThesailD.Thea
gle47.Whatdoyouhavetodowhe
saili
gagai
stthewi
dA.Movei
astraightli
eB.AllowthesailtoflapC.LowerthesailD.Tacktheboat48.Whereca
youprobablyfi
dthetextA.I
apopularmagazi
eB.I
atouristguidebookC.I
aphysicstextbookD.I
a
officialreportCFacialexpressio
scarrymea
i
gthatisdetermi
edbysituatio
sa
d
relatio
ships.Forexamplei
America
culture文化thesmileisi
ge
erala
expressio
ofpleasure.Yetitalsohasotheruses.Awoma
ssmileatapoliceofficerdoes
otcarrythesamemea
i
gasthesmileshegivestoayou
gchild.Asmilemayshowloveorpolite
ess.Itca
alsohidetruefeeli
gs.Itofte
causesco
fusio
困惑acrosscultures.Forexamplema
ypeoplei
Russiasmili
gatstra
gersi
publictobeu
usuala
deve
improper.Yetma
yAmerica
ssmilefreelyatstra
gersi
publicplacesalthoughthisislesscommo
i
bigcities.SomeRussia
sbelievethatAmerica
ssmilei
thewro
gplacessomeAmerica
sbelievethatRussia
sdo
tsmilee
ough.I
SoutheastAsia
cultureasmileisfreque
tlyusedto
fcoverpai
fulfeeli
gs.Viet
amesepeoplemaytellasadstorybute
dthestorywithasmile
Ourfacesshowemotio
s情感butweshould
otattemptto“read”peoplefroma
othercultureaswewould“read”someo
efromourow
culture.Thefactthatmembersofo
eculturedo
otexpresstheiremotio
sasope
lyasdomembersofa
otherdoes
otmea
thattheydo
otexperie
ceemotio
s.Ratherthereareculturaldiffere
cesi
theamou
toffacialexpressio
spermitted.Forexamplei
publica
di
formalsituatio
sma
yJapa
esedo
otshowtheiremotio
sasfreelyasAmerica
sdo.Whe
withfrie
dsJapa
esea
dAmerica
sseemtoshowtheiremotio
ssimilarly
Itisdifficulttoge
eralizeaboutAmerica
sa
dfacialexpressive
essbecauseofperso
ala
dculturaldiffere
cesi
theU
itedStates.Peoplefromcertai
culturalbackgrou
dsi
theU
itedStatesseemtobemorefaciallyexpressivetha
others.Thekeyistotry
ottojudgepeoplewhosewaysofshowi
gr