Entry Examination PaperCandidate Name: ________Score:___________(总分 100+20)1、Multiple Choice(18’)1)If there are no dancers that aren't slim and no singers that aren't dancers, then which statements are alwaystrue?().A.There is not one slim person that isn't a dancerB.All singers are slimC.Anybody slim is also a singerD.None of the above2)In the equation (x-5)2+(y-2)2=16, the center of the circle is answer choices().A.(5,2)B.(-5, -2)C.(-5, -3)D.(5, 3)3)In the following diagram,which of the following is not an example of an inscribed angle of circle O().A.NSTB.MNSC.SNTD.NSMQ3Q4Q54)What can you NOT conclude from the diagram at the right? ().A. c=dB. a=bC. c2 + e2=b2D. e=d5)If m∠KLM=20° and measure of arc MP=30 ° ,what is m∠KNP?().A.25°B.50°C.35°D.70°6)What is the negation of the statement ''The coat is blue''? ().A. the coat is greenB. the coat is sometimes blueC. the coat is not blueD. it is not true that the coat is not blue7)Which of the following is equal to cos35°().A. Sin35°B. Cos55°C. Sin55°D. cos145°8)Look at this series: 80, 10, 70, 15, 60, … What number should come next?().A. 20B. 25C. 30D. 509)What is the contrapositive of the proposition ''If a polygon has three sides then it is a triangle''?().A.''If a polygon is a triangle, then it has less than three sides.''1B.''If a polygon is not a triangle, then it does not have three sides.''C.''If a polygon is not a triangle, then it has more than three sides.''D.''If a polygon is a triangle, then it does not have three sides.''2、Fill in the blank with sometimes, always, or never. (14’)1)Two tangents to the same circle from the same point are_______ congruent to each other.2)If two inscribed angles are congruent, then their i...
