题目内容：
第38题应选参考答案：
答案解析：
单选题：第38题应选
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黄芪药材的横断面特征是
黄芪药材的横断面特征是
蜈蚣所含的有毒成分之一是
蜈蚣所含的有毒成分之一是 A．溶血蛋白 B．角蛋白 C．氨基酸 D．脂肪油 E．胆甾酸
Poor practices in harvesting, storage and transportation ha
Poor practices in harvesting, storage and transportation have resulted in a was
第(44)题 __________
第(44)题 __________
Questions 13 to 15 are based on the conversation you have j
Questions 13 to 15 are based on the conversation you have just heard.A．Bad weat