为了安全，危险的地方都会标得很清楚。

Wèile ānquán, wēixiǎn de dìfang dōu huì biāo de hěn qīngchu.

For safety, dangerous places are all clearly marked.

请在表格中标出你最喜欢的三门课。

Qǐng zài biǎogé zhōng biāochū nǐ zuì xǐhuān de sān mén kè.

Please mark your three favorite courses in the form.

地图上用红色的点来标重要的地方。

Dìtú shàng yòng hóngsè de diǎn lái biāo zhòngyào de dìfang.

On the map, important places are marked with red dots.