On Wednesday, Apple announced that its latest handset will be ______ in China and 21 other countries

on Jan 13, just three months after it was first launched in the USA. [      ]

A. available    

B. acceptable    

C. affordable    

D. measurable

罐壁加强圈的环板用（）号料。

A.样板

B.钢板

C.图样

D.计算