资产利润率是指利润总额除以资产平均余额的比率，该指标（），说明资产利用率（），盈利能力（），营运能力（）。
参考答案：越高；越高；越强；越好
Read and judge。(读短文，判断下列句子是否正确，正确的画“√”，错误的画“×”）
Hello. This is a giraffe. It has some friends: the rabbit, the snake, the elephant and the monkey.
Do you know why (为什么) they are friends? Because they are all "long". The giraffe has a long
neck (脖子). The rabbit has long ears. The snake has a long body. The elephant has a long nose
and the monkey has a long tail.
( )1. The giraffe has a long nose.
( )2. The elephant has long ears.
( )3. The snake has a long body.
( )4. The rabbit has long ears.
下列事物中哪些不具备稀缺性（）
A.空气
B.矿泉水
C.食物
D.安全保卫
