题目

 I will give ______ students ______ minutes for them to finish their exercise A. the other; other five               B. the other; another five  C. other; five more                  D. other; more five 答案：B请先将下式化简，再选择一个你喜欢又能使原式有意义的数代入求值．x2-1x2-2x+1+x2-2xx-2÷x．