A, B, C是△ABC的三个内解,且tanA ,tanB是方程3x2-5x+1

题型:选择题

问题:

A, B, C是△ABC的三个内解,且tanA ,tanB是方程3x2-5x+1=0的两个实数根,则△ABC是 [ ]

A.钝角三角形

B.锐角三角形

C.等腰直角三角形

D.等边三角形

考点:解三角形
题型:选择题

慢性支气管炎单纯型的正确概念是:

A、慢性咳嗽、咳痰,不伴有咯血

B、慢性咳嗽、咳痰,不伴有肺气肿

C、慢性咳嗽、咳痰,不伴有肺心病

D、慢性咳嗽、咳痰,不伴有喘息

E、慢性咳嗽、咳痰,不伴有感染

题型:选择题

风险分析在软件项目开发中具有重要作用,包括风险识别、风险预测、风险评估和风险控制等。“建立风险条目检查表”是 (59)时的活动,“描述风险的结果”是 (60)时的活动。

59()

A.风险识别

B.风险预测

C.风险评估

D.风险控制

题型:选择题

将下列打乱的句子重新排序,使其意思连贯完整。

Balzac was a great French writer.

A.Balzac went to bed early but he couldn't sleep. He didn't have anything for supper.

B.He lived in a dirty, wet room and was often worried about food.

C.Balzac got up quietly, lit a lamp(点上灯) and said, "Don't waste time, my friend! I couldn't find any money in the daytime . How can you find some in the dark?"

D.The man began to steal (偷) something on his bookshelf.E. But he was very poor before he became famous.

F. All his friends were as poor as he was and they could not help him.

G. One night it was very cold. The wind blew and it was snowing heavily.

H. And he didn't know where he could get some food for the next breakfast.

I. At midnight he saw a man crawl (爬)in through the broken window.

J. He thought and thought, but he couldn't have a good idea.

题型:选择题

女孩,8岁,4日前双下肢皮肤突见针尖大小出血点,近2日出血点增多,躯干亦散在出血点,色鲜红。患儿食欲不振,口干喜饮,小便黄赤,大便干结,并有发热,舌质红,脉细有力。治疗的首选方剂是()

A.白虎汤合小蓟饮子

B.归脾汤

C.清营汤

D.犀角地黄汤

E.清瘟败毒饮

题型:选择题

储位管理的主要目的是()、库存盘点、出库等作业的顺利进行,方便其他作业的存取。

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