A-A+
What does sagging(para.5) probably mean？A．De
问题详情
What does "sagging"(para.5) probably mean？
A．Decline.
B．Develop.
C．Become more active.
D．Become stronger.
参考答案
正确答案：A
解析：通过下文谈到的如何"regain mental skills 5-hour tutorials(辅导课) on inductive reasoning or spatial (空间的) skills to about 200 people whose skills had declined in the previous 14 years, ... "可知"sag" means decline.
