Name of senior one math exam: 1. Single choice (3 points for each small question, ***30 points) 1. The cube of a number equals itself, and this number is () a, 0 B, 1 C,-1, 1 D and -65438+. Unequal ones are () a, (-3) 2 and -32b, (-3) 2 and 32 C, (-2) 3 and -23d, |-2 | 3 and |-23 | 3, (-1) 200+(- 1). -1/3, 1/4,-1/5, 1/6, … The seventh number is () a,-1/7 B, 1/7 C,-. 6. Comparing the sizes of-1/5 and-1/6, the result is () a, > b, 0, then there must be () a, m > 0b, m < 0c, m = 0d. None of the above is true. 9. When a positive integer n is compared with its reciprocal 1/n and its reciprocal -n, the correct ones are () a, -n ≤ n ≤ 1/n b,-n <1/n < n.