政府从社会效益和社会成本角度来评价和安排投资，因而政府投资的性质是（）。
A.微利性
B.盈利性
C.非盈利性
D.微利和非盈利性
参考答案：D
气候终年炎热的温度带是:( )
A．热带
B．北温带
C．南温带
D．南寒带
Read and choose. (根据对话内容和中文意思填空)
Boy: Let's play a guessing game (猜谜游戏).
Girl: 1. (太好了).
Boy: It's an animal. It's 2. (大的).
Girl: Is it a 3. (狮子)?
Boy: No, it isn't. It has a 4. (长的) nose and a 5. (短的)tail.
Girl: Is it an elephant?
Boy: Yes. It's so 6. (有趣的).
