Premier Wen’s three-day visit to Japan, _____as the “ice-melt” trip, make a great difference to the relationship between China-Japan.

A．intended

B．intending

C．having intended

D．to intend

GB/T8074-20xx《水泥比表面积测定方法勃氏法》中采用的勃氏比表面积透气仪分手动和自动两种，出现争议时，以手动勃氏比表面积透气仪测定的结果为准。