A、<img width="189" height="193" id="图片 90" src="/s/tiw/p3/UpLoadImage/2020-09-21/5dd78b46-86f0-4c2c-8236-c9b7bb945adf.png" alt="说明:http://admintk.100xuexi.com/UpLoadImage/2017-09-07/2baed5fa-8cf9-4918-afe4-306041d9489b.png">
B、<img width="189" height="173" id="图片 19" src="/s/tiw/p3/UpLoadImage/2020-09-21/65002ac4-8597-4bfb-a0cb-71ffd94b1bb3.png" alt="说明:http://admintk.100xuexi.com/UpLoadImage/2017-09-07/0e74e87d-9b1b-4439-a955-833bb4227f7f.png">
C、<img width="189" height="115" id="图片 20" src="/s/tiw/p3/UpLoadImage/2020-09-21/da4881a3-6c43-4e9c-8cf9-d99e0ae7d433.png" alt="说明:http://admintk.100xuexi.com/UpLoadImage/2017-09-07/35d9a47a-702c-4196-9d5f-6ca4b9d87b22.png">
D、<img width="189" height="139" id="图片 21" src="/s/tiw/p3/UpLoadImage/2020-09-21/4a997cab-44a4-4496-849a-4992202f657e.png" alt="说明:http://admintk.100xuexi.com/UpLoadImage/2017-09-07/66e4a942-4076-4e4d-8ef8-da197e4ff834.png">
E、<img width="189" height="191" id="图片 22" src="/s/tiw/p3/UpLoadImage/2020-09-21/6bc853d3-67f4-429c-88cf-eaab43a0c4be.png" alt="说明:http://admintk.100xuexi.com/UpLoadImage/2017-09-07/de99986a-ca6e-4f0f-beec-e53821ca4bdc.png">
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试题解析
A项，为杜仲；B项，为鸡血藤；C项，为钩藤；D项，为黄连；E项，为桔梗。钩藤：茎枝呈圆柱形或类方柱形，长2～3cm，直径0.2～0.5cm。表面红棕色至紫红色者，具细纵纹，光滑无毛；黄绿色至灰褐色者有韵可见白色点状皮孔，被黄褐色柔毛。多数枝节上对生两个向下弯曲的钩（不育花序梗），或仅一侧有钩，另一侧为突起的疤痕；钩略扁或稍圆，先端细尖，基部较阔；钩基部的枝上可见叶柄脱落后的窝点状痕迹和环状托叶痕。质坚韧，断面黄棕色，皮部纤维性，髓部黄白色或中空。气微，味淡。
