脑电波的4个频率带分别是(),(),(),()。
参考答案:α;β;θ;δ
The soldiers soon reached ______ was once an old temple ______ the villagers used as a school.
A.what ; where
B.what ; which
C.where ; which
D.what ; where
兴奋下丘脑--垂体--甲状腺轴的药物是()
A.淫羊藿
B.黄芪
C.黄连
D.黄芩
E.黄柏