“内风”产生的机理是（）
A.体内气机之逆乱
B.体内阳气之变动
C.体内阴血之不足
D.体内筋脉之失养
E.周身络脉之失濡
参考答案：B
During the week ____ he tried to collect materials for his article.
A．following
B．followed
C．to follow
D．that followed
投资基金按受益凭证是否可赎回分为公司型基金和契约型基金。( )
