6．能與膽固醇結(jié)合并減少腸道對膽固醇吸收的藥物是(      )

A．金銀花                                                  B.黃芩

C.山豆根                                                    D.大青葉

7．具有降血壓作用的清熱藥是(      )

A．黃芩                                                     B.金銀花

C.山豆根                                                    D.天麻

8．具有利膽作用的藥物是(      )

A．大青葉                                                  B.葛根

C.山豆根                                                    D.黃連

9．具有抗惡性腫瘤作用的藥物是(      )

A．黃連                                                     B.金銀花

C.山豆根                                                    D.黃芩

10．大黃致瀉活性最強的主要成分是(      )

A．大黃酸                                                  B.蘆薈大黃素

C.番瀉甙A                                                 D.甙元