简略寿命表习惯上把0岁作为一个独立组，从5岁开始，组距是（）
A.3岁
B.4岁
C.5岁
D.6岁
E.7岁
参考答案：C
Nice to meet you.[ ]
A. Me too.
B. Very well, thank you.
C. Nice to meet you, too.
开启前照灯近光时仪表板上（如图所示）亮起。
