问题
选择题
Those who don’t get their sufficient sleep are actually sending a(n) _____ to severe problems in their life.
A.invitation
B.warning
C.explanation
D.solution
答案
答案:A
这题考查词义辨析:invitation邀请,诱因, warning警告,explanation解释, solution解决方法。句意是:得不到有效睡眠的人会诱发严重的问题。选A。