单选题
To be {{U}}happy-go-lucky{{/U}} is to be cheerful about almost everything
and forget about the stresses and pressures of everyday life.
A. pessimistic
B. upset
C. light-hearted
D. courteous
【正确答案】
C
【答案解析】happy-go-lucky是个常见的英文表达法，字典的解释是easygoing，unworrying或taking things as they come，相当于汉语中的“无忧无虑”或“从不烦恼”。pessimistic：悲观的；upset：郁闷的，不开心的；light-hearted：轻松愉快的；courteous：有礼貌的，文雅的。