主页
学科
搜索
账户
常见问题
当前学科：中药药理学
题目：
单选
具有抗早孕作用的药物是（）
A . 莪术
B . 川芎
C . 益母草
D . 丹参
答案：
<查看本题扣1积分>
查看答案
答案不对？请尝试站内搜索
推荐知识点:
《测绘资格证书》的审批和发证，我国实行（）管理制度
哪个S1消息用于触发CSFB服务？（）
简述库利的“镜中我”思想。
（）《魂断蓝桥》中的主旋律《友谊地久天长》是哪里的民歌，几百年来一直广为传唱？
下列属于冻结法凿井设计主要内容的是（）
到期一次还本付息的短期借款，其利息费用应记入（ ）账户。
对稳性、抗沉性要求最高的船舶是（）
数字摄录一休机的视频信号，数字处理电路采用（）技术可减少空间数据的冗余。
患者男，30岁。低热、盗汗、咳嗽、血痰1个月。胸片示右上肺小片状浸润影，密度不均。确诊应选择的检查是（）
Over the last few decades there has been a tremendous growth in information technology and its impact on everyday life. Complex software systems have become criticalto the operation of many systems in areas such as banking, communications, manufacturing,power generation, and transportation. Progress in computer science and accumulated experience with industrial production of software have led to the emergence of software engineering as a separate discipline. The software engineering discipline has been defined as"the application of systematic, disciplined, quantifiable approaches to the development,operation, and maintenance of software. " that is, the application of engineering to software.