问题详情：
People must be _____ fire, especially in cold winter, because something fire can be dangerous.
A careful with B familiar with C strict with D pleased with
【回答】
A. 此题考察词组辨析。be careful with 小心；be familiar with 熟悉；be strict with 严格；be pleased with 满意
知识点：动词和动词短语
题型：选择题
