以羊靥、鹿靥治疗甲状腺肿大的最早医家是（）
A.张仲景
B.孙思邈
C.葛洪
D.巢元方
E.华佗
参考答案：B
在下图中，正确表示北半球夏至日的是（ ）
As for my own work, much of it is being in the right place at the right time. [ ]
A. because
B. since
C. due to
D. for
