【单选题】Children under 14 years old must be _________ by adults.
【单选题】Children under 14 must be________by an adult. [ ]
【简答题】Mexican law prohibits the _________(employ) of children under 14.
【简答题】Children under 14 must ______(accompany) by an .
【判断题】急性运动损伤的RICE原则包括保护、休息、冰敷、加压。