GRE考试

根据网考网考试中心的统计分析，以下试题在2019/1/14日GRE考试习题练习中，答错率较高，为：75%
【单选题】

网考网参考答案：D，答错率：75%
网考网试题解析：
Use TACTIC 4, Chapter 12. Could the aver-age of a and b equal 33 Only if the sum of a and b were 66. Is that possible Yes, if a = 30.5 and b = 35.5. Must a + b = 66 Of course not. Neither column is always greater, and the two columns are not always equal (D). document.getElementById("warp").style.display="none"; document.getElementById("content").style.display="block"; 查看试题解析出处>>