The world has been shaken by a huge financial crisis since 2007; thanks to each country’s powerful policies, the international trade is improving _________ day by day.

A．in short

B．in all

C．in turn

D．ingeneral

绒毛膜癌与侵蚀性葡萄胎主要的鉴别依据是（）。

A.尿HCG阳性

B.病理检查无绒毛结构

C.有卵巢黄素化囊肿

D.胸部X线片有面团状阴影

E. * * 有紫蓝色转移结节