失业率
参考答案：
一般用失业人数占经济活动人数（就业人数+失业人数）的百分比来表示。即：失业率=失业人数+（就业人数+失业人数）*100%
You should be yourself and celebrate because _____. [ ]
A. no one is quite like you
B. you're very clever
C. you are a good student
D. you have many talents
大多数恶性高血压病人功能损害的脏器是（）
A.肾脏
B.肝脏
C.心脏
D.眼底
E.脑组织
