胆汁的成分有（）等。
A.水
B.胆汁酸
C.胆盐
D.氨基酸
E.无机盐
参考答案：A, B, C, D, E
引起心悸的常见病因为
A．体虚劳倦
B．七情所伤
C．感受外邪
D．外伤
E．药食不当
Even at an early stage the school felt that she ________a good chance of passing her exams.
A．stood
B．gained
C．possessed
D．took
