问题
选择题
According to ______ survey，there're more and more young people who go for a walk at ______ dusk instead of sitting in front of the computer.
A．a；the
B．a；不填
C．the；the
D．不填；不填
答案
答案：B
题目分析：考查冠词：句意：根据调查，越来越多的人黄昏出去散步而不是坐在电脑面前。第一空填a，泛指“某个研究”，第二空不填，at dusk在黄昏，选B.