题目内容：
H2受体拮抗剂第二代产品，有顺反异构体，临床用反式体参考答案：
答案解析：
单选题：H2受体拮抗剂第二代产品，有顺反异构体，临床用反式体
- 题目分类：药学专业知识(二)
- 题目类型：单选题
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根据以下资料，回答题：Many businesses, associations, and other organiz
根据以下资料，回答题：Many businesses, associations, and other organizations maintain a l
He __________ her as soon as he came back from his business
He __________ her as soon as he came back from his business trip.A．called in B．
__________ the bad weather, no shipment will arrive this we
__________ the bad weather, no shipment will arrive this week.A．On account of B
二氢吡啶类钙拮抗剂，用于抗心绞痛
二氢吡啶类钙拮抗剂，用于抗心绞痛
物业环境管理与业主的生活和工作密切相关，其基本内容有（ ）
物业环境管理与业主的生活和工作密切相关，其基本内容有（ ） A．白蚁防治 B．建筑物外墙清洗 C．下水管道疏通 D．电梯机房清洁 E．垃圾收集与处理