治疗气血不足型经前期紧张综合征，除针刺主穴外，还应加用（）。
A.脾俞
B.太溪
C.肾俞
D.丰隆
E.中脘
参考答案：A
解析：培补后天之本。
Look! Jack and his monkey _____ flying disk together in the garden. [ ]
A. is playing
B. was playing
C. are playing
D. were playing
混合床的阴、阳树脂分层不明显的主要原因？
