问题
选择题
As a businessman, Mr. Green is a complete failure. Being lazy may well be one of the______to his success.
A．drawbacks
B．shortcomings
C．disadvantages
D．barriers
答案
答案：D
题目分析：句意：做为商人，格林先生完全是个失败的人，懒惰很有可能是他成功的障碍之一。用barriers“障碍”，其他三个选项：A. drawbacks缺点，劣势，B. shortcomings缺点，C. disadvantages缺点，劣势，都不符合句意。选D。