The tourist is prevented from entering a country if he does not have ________ passport.

[A] an operative

[B] a valid

[C] an efficient

[D] an effective

[判断题]A vessel entering a country from any place outside can call at any port nom

[判断题]A vessel entering a country from any place outside can call at any port nom

[单选题]The Great Wall isa great tourist attraction，[luring] millions of visitors e

[单选题]The storm prevented me _______.A.to go out B.to going out C.from being out

[单选题]The Great Wall is _______ tourist attraction that millions of people pour in every year.A． so a well-known B. a so well-known C. such well-known a D. such a well-known

[试题]NiagaraFallsisagreattourist___________,drawingmillionsofvisitorseveryyear.A)attentionB)attractionC)appointmentD)arrangement

[单选题]NiagaraFallsisagreattourist______drawingmillionsofvisitorseveryyear.A)attentionB)attractionC)appointmentD)arrangement

[单选题]（ ）Enshi is becoming a tourist city.__________ people come here during the holidays every year.A．Thousand ofB．Thousands ofC．Five thousands ofD．Five thousands

[单选题]B．efore entering a fuel tank that has been cleaned, it should be checked with an oxygen indicator and a/an ____.A．Orsat apparatusB．flame safety lampC．Halide torchD．combustible gas indicator

[试题]Tourist：OK．Queen Mary Avenue，straight on and then the second left， 59 ．