东越玉文化板块以（）为事神的玉神器，以之供无形神食飨。
A.琮、璧
B.圭、璋
C.琮、璜
参考答案：A
—Does Jane have a new bike?
—________.
A. Yes, she is B. Yes, she does C. No, she isn’t
一张100元的可以换（ ）张50元。
