胃溃疡最特征的表现是（） A.龛影 B.狭颈征 C.项圈征 D.粘膜纠集 E.器官变

北京市地方标准DB11/418－2007《电梯日常维护保养规则》规定，施工单位的质量保证期服务不能替代电梯的日常维护保养。()

—Can you tell me _____________?

—We are very good friends.

A．how you get on with Joe

B．who your best friend is

C．what you are going to be

D．what he looks like

为了防止发作，应

A．疲劳和少睡

B．饮用红酒和巧克力

C．服用利舍平

D．食用奶酪食物

E．以上都不是

Being named the best athlete of the year was an important（）in the baseball player’s life.

A.segment

B.ingredient

C.contribution

D.episode