21.水浸后種皮呈龜裂狀，有明顯粘液，子葉皺疊的藥材是

A.五味子                                                       B.補骨脂

C.牽牛子                                                       D.女貞子

22.穿心蓮性狀的最主要鑒別特征是

A.莖方形                                                       B.斷面有髓

C.質(zhì)脆、易折斷                                            D.氣微，味極苦，苦至喉部，經(jīng)久苦味不減

23.蘄蛇頭部的特征是

A.頭扁圓形，鼻孔大，橢圓形                       B.頭扁圓形，吻端向上突出

C.頭扁三角形，吻端向上突出                       D.頭橢圓形，吻端向上突出

24.既具兩種腺毛，又具兩種非腺毛，花粉粒黃色，球形的藥材是

A.金銀花                                                       B.辛夷

C.紅花                                                          D.西紅花

25.爐甘石表面

A.具玻璃光澤                                                B.具金剛光澤

C.具金屬光澤                                                D.無光澤

26.長牡蠣的主產(chǎn)地是

A.南海                                                          B.山東以北至東北沿海

C.廣東沿海                                                   D.河北沿海

27.取火柴桿浸于兒茶水浸液中，使微著色、待干后再浸入濃鹽酸中，立即取出，于火焰附近烘烤，桿上即顯

A.金黃色                                                       B.天藍色

C.黃棕色                                                       D.深紅色

28.下列哪種藥材屬于油膠樹脂？

A.血竭                                                          B.乳香

C.加拿大樹脂                                                D.蘇合香