开放型问题
参考答案:
记者仅提示某一话题或访谈范围,让采访对象自由发挥。
—Did you have a __________ time __________in the park?
—Yes.l enjoyed myself very much. [ ]
A. good; playing
B. nice; walk
C. pleasant; to walk
D. pleased; playing
施工防护的听觉信号中,预报信号是()。
A、上下行都是两长声
B、上下行都是一长声
C、下行两长声,上行一长声
D、下行一长声,上行两长声