情景英語(yǔ)口語(yǔ)100主題 090numbers數(shù)字

90numbers

words

numbersamountcounthundredsthousandsmillionsdozencouplepairdoubletriplequadruplefirstsecondthirdfourthaddplusminusdeductmultiplydivideroughlyapproximatelyequalseveral

phrases

thirdtimelucky

havesixthsense

inseventhheaven

besecondnature

attheeleventhhour

oncebittentwiceshy

firstimpressionslast

beginner

a;what’stheareaofyourcountry?

B:it’snotverybig.It’salittleoverhalfamillionsquarekilometers.

A;thatsoundsquitebig!Howmanypeoplelivethere?

B;thereareabout30millionpeopleinmycountry.Mostofthemliveinthenorth.

A:what’stheaverageincome?

B;that’sthereallyhardtosay.Ithinkmostpeopleearnabouttwothousanddollarsamonth,ifyouconvertthemoneyfromourcurrencyintodollars.

A;soyourcountryisfairlyrich.

B:Ithinkwearericherthanmostcountries,butnotasrichascountriesinwesternEurope.Ourbiggestproblematthemomentisunemployment,whichisroughly8%.Ithasdoubledoverthelastfouryears.

A:unemploymentinmycountryisafractionofthat.

Intermediate

A:what’s“pi”?

B:that’stheratioofthecircumferenceofacircletoitsdiameter,Ithink.

A;Isee.Whatisthatratioexactly?

B:it’sapproximately,butthenumbercontinuesforever.What’sthediameterofyourcircle?

A:it’s10centimeters,sothecircumferenceshouldbecentimeters.

B;ok.Mynextproblemistoconvert10000britishpoundsintousdollars.What’stheexchangerateatthemoment?

A:accordingtothenewspaper,theexchangerateisdollarstothepound.

B:thatmeansthatpoundswillbuymedollars.

A:what’sthenextquestion.

B;fractions.What’saquarterandaneighth?That’sthree-eights.Easy.Thenextquestionis“whatareprimenumbers?”.

A:Icanhelpyouthere.Thosearenumbersthatcannotbecreatedbymultiplyingtwowholenumbers,apartfromthenumberitselfand1,together.

B;so,1,2and3areprimenumbers,but4isn’tbecause2*2=4.

A:exactly.Anythingelse?

B;howmanysecondsinanhour?