即使在金融市场发达的国家，次级流通的证券也只占整个金融工具的2/3，说明次级市场的重要性不如初级市场。
参考答案：错
单词拼写。
1. Let's see the pandas _____(首先).
2. We can see many kinds of _____(动物) in the zoo.
3. The _____(可爱的) elephants are from Africa.
4. Dogs are very _____(友好的) to people.
5. A elephant eats a lot of _____(草) every day.
6. Please be _____(安静) because the panda is shy.
7. He works as a policeman. It's _____(危险的).
8. The reporter is busy _____(谈话) to people.
9. My mother is a policewoman. She _____(穿) uniform every day.
10. It's an exciting _____(工作).
在（）状态下，系统不应对探测器的报警状态做出响应。
A.布防
B.设防
C.撤防
D.24小时
