下列不属于投资补助项目特点的是( )。
A.政府投入的资金大部分具有微偿性B.公益性特征C.经营性特征D.有一定经济收入但收入不足以弥补全部建设和运营成本
参考答案:A
用所给词的适当形式填空。
1. Kangaroos are _____ (play) and chimpanzees are _____ (noise).
2. I was _____ (surprise) to find hardly anyone in the zoo.
3. Visiting zoos are like _____ (live) textbooks for young people.
4. He _____ (use) to be _____ (call) "Little Tiger".
5. Liu Xiang's success is an _____ (inspire) to us all
树是结点的集合,它的根结点的数目是( )。
A.有且只有1个
B.1或多于1
C.0或1
D.至少有2个