题干
The children were warned of not being too ______ about things they were not supposed to know.
A：strange
B：amused
C：curiou
D：consciou
答案(点此获取答案解析）
C
A：strange
B：amused
C：curiou
D：consciou
（
＝1,2，3，4,5，6）是射线，则图中共有锐角: 
