Problem Solving

试题详情

题目:

Is the negative number x less than –1?
(1) 1x < 12
(2) 1x2 < 12 

选项:

A、Aif statement (1) ALONE is sufficient to answer the question but statement (2) alone is not sufficient;
B、Bif statement (2) ALONE is sufficient to answer the question but statement (1) alone is not sufficient;
C、Cif the two statements TAKEN TOGETHER are sufficient to answer the question, but NEITHER statement ALONE is sufficient;
D、Dif EACH statement ALONE is sufficient to answer the question;
E、Eif the two statements TAKEN TOGETHER are still NOT sufficient to answer the question.

答案:

B

提问:

我选了E。。应该是B。 我觉得第二个如果X是-0.5 不是也行么。这种题干没有说X是不是integer的题,就当做它有可能是有可能不是吧?
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