具有祛风湿、补肝肾、强筋骨、利水消肿功效的药物是（） A.薏苡仁 B.桑寄生 C.五

（1）一元二次方程3x²+4x+1=0中，△=______，因此该方程______实数根．

（2）一元二次方程ax²+2x+1=0有两个相等的实数根，则a=______．

Liu Xiang's running career began to ______ after he won the gold medal in the Olympic Games.[ ]

A. speed up

B. fly away

C. give away

D. take off

Mark Anthony''s eulogy of Caesar at his funeral is memorably recorded in a play by Shakespeare.

A．prayer

B．praise

C．biography

D．denunciation

2004年城镇居民人均可支配收入为（）元。

A.7781.8

B.7874.2

C.7845.7

D.7901.9

在Oracle中，可以根据用户建立的模型，自动生成数据字典、数据库表、应用代码和文档的工具是

A．Oracle Forms

B．Modelers

C．Generators

D．BPR