信托成立日为信托生效日。( )
参考答案：错
解析： 债券回购到期日，融资方只能将相应的质押券申报转回原证券账户，也可以申报继续用于债券回购交易。
补全对话。
Bill: Hello, Wang Tao! Nice to meet you!
Wang Tao: Hello,Bill!Nice to meet you, too!
Bill: Please come in and sit down.Would you 1. something to drink? I have some fruit juice, coke
and coffee here. Wang Tao: Thank you 2. 3. ! I'm very thirsty. I think 4. like
a glass of coke, please.
Bill: 5 . Would you like some coffee, 6. ?
Wang Tao: Thanks!
Bill: What 7. something to eat?
Wang: Tao Thank you. I 8. want cake.
Bill: OK. 9. you are.
Wang Tao: 10. a lot.
对观测线的提法，正确的是（）
A.观测线即卡环线
B.观测线也就是牙冠的解剖外形高点线
C.观测线不随模型的倾斜方向改变
D.同一牙上可画出不同的观测线
E.每个牙只能划出一种观测线
