生产品交易
参考答案:
在资产负债表上没有相应科目,因而也被称为“资产负债表外交易(简称表外交易)”。根据产品形态,可以分为远期、期货、期权和掉期四大类。
It is believed to _____ over by sandstorms from AD 200 to AD 400.
A.gradually cover
B.be gradually being covered
C.have been gradually covered
D.be gradually covered
下列哪种骨折畸形愈合可能不会影响功能?()
A.跟骨骨折
B.距骨骨折
C.髌骨骨折
D.趾骨骨折
E.踝部骨折