负责日本海外投资保险业务的是()。
A、信托股份公司
B、黑尔梅斯信贷担保股份公司
C、海外私人投资公司
D、通产省出口保险部
参考答案:D
The prices of houses, ____________ is often reported, have been going up sharply in the past few months.
A.which
B.it
C.as
D.what
酸值测定为什么要煮沸5min且滴定不能超过3min?