GRE考试

根据网考网考试中心的统计分析，以下试题在2019/9/24日GRE考试习题练习中，答错率较高，为：71%
【单选题】



网考网参考答案：B，答错率：71%
网考网试题解析：
Since x + y = 1, at least one of the numbers is positive. If either x or y is 0, the product xy = 0; and if either one is negative, then xy is negative. In each case, xy is less than 1. If both x and y are positive, then each is less than 1, and so is their product. Column B is’ greater. document.getElementById("warp").style.display="none"; document.getElementById("content").style.display="block"; 查看试题解析出处>>