问题
选择题
Remember to take a breath of ______ fresh air and have some exercise each day. It will make ______ difference.
A．/；a
B．the；a
C．/；the
D．a；the
答案
答案：A
题目分析：考查冠词。不可数名词前不加冠词，不定冠词a/an修饰可数名词，表泛指，意为“一个，某个”；定冠词the表特指，意为“这个，那个”。air不可数，breathe fresh air呼吸新鲜空气；make a dofference产生影响，是固定搭配。故选A。