纯金一般指成色达到（）以上的黄金。
A、99.5%
B、99.0%
C、99.6%
D、99.99%
参考答案：C
_____ the instructions on the packet when you take the drug and the drug, I think, will work soon. [ ]
A. Follow
B. To follow
C. Following
D. Followed
国际货运代理业务范围主要是哪些
