办理即期结售汇业务需要签订《人民币对外汇衍生交易主协议》。
参考答案：错
he was tired,_________ he didn't stop_______.[ ]
A. Althoug but ; to rest
B. Though ;/; working
C. Although ;/; resting
D. Though ; but ; working
涂料生产对本厂产品应做到（）不出厂的原则。
