《动车组服务质量规范》规定:女性可佩戴发夹、发箍或头花及一副直径不超过3毫米的耳钉。
参考答案:对
---Did you write an e-mail ____ your online friend yesterday?
---Yes. But I didn’t hear ____ him.
A.from; to
B.to; of
C.to; to
D.to; from
如果③、④比率都为0,银行系统的派生存款总额为()万元。
A.10000
B.12000
C.1 5000
D.18000