11.斷面有多數(shù)“朱砂點(diǎn)”，久置可析出白色毛狀結(jié)晶的藥材是(     )

A.白術(shù)                                                             B.北蒼術(shù)

C.關(guān)蒼術(shù)                                                         D.茅蒼術(shù)

12.下列除哪項(xiàng)外均為正品半夏的性狀特征？(     )

A.類(lèi)球形，有的稍偏斜                                    B.頂端有凸起的莖痕或芽痕

C.周?chē)�密布麻點(diǎn)狀根痕                                    D.味辛辣，麻舌而刺喉

13.平整的橫斷面皮部有六處（或數(shù)處）向內(nèi)嵌入木部的藥材是(     )

A.絡(luò)石藤                                                         B.雞血藤

C.大血藤                                                         D.海風(fēng)藤

14.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

15.花蕾呈長(zhǎng)卵形，似毛筆頭，苞片外表面密被灰白色或灰綠色有光澤的長(zhǎng)絨毛，內(nèi)表面無(wú)毛的藥材是(     )

A.金銀花                                                         B.菊花

C.辛夷                                                             D.款冬花

16.具大型氣室，花粉粒極面觀略呈三角形，赤道面觀雙凸鏡形的藥材是(     )

A.紅花                                                             B.西紅花

C.丁香                                                             D.洋金花

17.肉桂中的企邊桂是(     )

A.5-6年幼樹(shù)干皮或老樹(shù)枝皮，自然卷曲而成

B.桂皮加工過(guò)程中的碎塊

C.10年以上的干皮，將兩端削成斜面，突出桂心，壓成淺槽狀

D.5-6年生干皮，將兩邊內(nèi)卷壓制成槽狀

18.水浸后種皮呈龜裂狀，有明顯粘液，子葉皺縮折疊的藥材是(     )

A.牽牛子                                                         B.菟絲子

C.沙苑子                                                         D.白芥子

19.外形呈三鈍棱，內(nèi)有種子團(tuán)3瓣，氣芳香，味辛的藥材是(     )

A.梔子                                                             B.金櫻子

C.枳殼                                                             D.砂仁

20.麻黃生物堿主要存在于(     )

A.節(jié)部                                                             B.節(jié)間髓部

C.木質(zhì)部                                                         D.皮部