中国最早出现的纸币是宋代的()。
A.交子
B.飞钱
C.银票
D.银钞
参考答案:A
诊断加德纳菌性 * * 炎的实验室依据是()
A.线索细胞
B.闪光细胞
C.移行上皮细胞
D.柱状上皮细胞
E.小圆上皮细胞
This is a difficult and stressful job, but one ______ you can really help people.
A.that
B.where
C.which
D.of which