减少二氧化碳的排放量要从我做起，下面你个人能做到的是（ ）
x
24
15
23
19
16
11
20
17
13
y
92
79
97
89
64
47
83
68
71
59
下列条件与有序实数对不能构成一一对应的是（ ）
—Shall we have a smoke here?
—No, we _____ because this is gas station and the worker is carrying some petrol.
