转账汇款可分流率指标中涉及到的交易代码包括哪几种（）.
A.2713
B.2920
C.2917
D.2918
参考答案：A, B
最常见的透光结石是
A．肾结石B．肾结核C．肾肿瘤D．肾下垂E．肾水肿
看图回答下面的问题。
What are the animals doing?
1. The big cat ____________________________________________.
2. ______________________________________________________.
3. ______________________________________________________.
4. ______________________________________________________.
