2001年杭州市中考数学试卷(国外英语资料).docVIP

2001年杭州市中考数学试卷(国外英语资料) In 2001, Hangzhou mathematics examination papers A choice (15 items, each item of 3 points, 45 points for each item) there is only one correct answer. 1. use scientific notation to express rational numbers. 43000 should be () A.43 * 103 B.4.3 * 10-4 C.43 * D.4.3 * 104. 2. on the playground of the school, the relation between the high jump and the ground belongs to () A. the line is parallel to the line, and the B. line is perpendicular to the line The C. line is parallel to the plane, and the D. line is perpendicular to the plane 3. make a = sin, 60 degrees, B = cos, 45 degrees, C = Tan, 30 degrees, then the size relationship between them is () A.c B B.b a C.a C D.b C a a b C 4. in a cloth bag, there are 20 balls with the same size and quality, of which 6 are red balls, and 1 are taken from them, and the probability of taking red balls is () A. B. C. D. 5. in the following statement, what is subordinate to the theorem is () A. takes a little bit of E in line AB B. if the two angles are equal, then the two angles are the opposite angles C. in the circle, the center of the string angle. A point equal to the distance between two endpoints of a line of D., on the vertical line of this line 6., as shown in Figure 1, in the rectangle ABCD, the point E is any point on AD, and there is () Figure 1 Perimeter perimeter Delta CDE A. Delta ABE = Delta BCE B. ABE the area of delta CDE area = Delta BCE area C. ABE - DEC D. ABE - EBC The reciprocal of 7. is () A. C. B. D. 8. as shown in Figure 2, a square is cut at the same time and inscribed in two concentric circles, and when the radius of the small circle is r, the radius of the great circle should be () Figure 2 A. B. C. D.2r The real root of the 9. equation has () A.1, B.2, C.3, D.4 10. Figure 3, inscribed in the quadrilateral ABCD / O / BCD = 100, if the degree is equal to the angle BOD (). Figure 3 A.100 degrees B.160 degrees C.80 degrees D.120 degrees 11., the total grain output of a v