可加速丁香油氧化锌水门汀结固的因素是：（）
A、液中加橄榄油
B、调拌中与水接触
C、粉中加磷酸锌
D、粉中减少硬脂酸锌
参考答案：B
—What is the Group G8?
—Oh, it is a group ________ the eight of the richest countries or areas of the
world.
A．consisting of
B．consists of
C．consisted of
D．is consisted of
咽结合膜热的病原体是______，疱疹性咽峡炎是由______感染引起。
