柴油在气缸内燃烧是（）。
A、压燃
B、点燃
C、自燃
D、压燃或点燃
参考答案：A
下列四幅地图图幅大小相同，表示内容最详细的是：
A．世界地图
B．亚洲地图
C．北京市地图
D．中国地图
Beer is the most popular drink among male drinkers, whose overall consumption is ______ higher than that of women.
A．virtually
B．significantly
C．inevitably
D．proportionally
