( )是国家强制发行和流通的不能兑现的货币符号。
A.纸币B.本位货币C.基础货币D.电子货币
参考答案:A
根据答语写出问句。
1. A: ?
B: My weekend was great. I had a good time.
2. A: ?
B:My father went to the mountains last weekend.
3. A: ?
B: Yes, I did. There was a sports game on TV last weekend.
4. A: ?
B:Ann's birthday party was fun.
5. A: ?
B:Yes. I played basketball with my classmates yesterday.
乌梅的药用部位为()
A.干燥成熟果实
B.干燥未成熟果实
C.干燥近成熟果实
D.干燥幼果
E.干燥成熟种子