模拟信号是指信息参数在给定范围内（）。或在一段连续的时间间隔内，其代表信息的特征量可

In the small towns of the United States in the   1        (nineteen) century, the general store was   2       everyone bought the things he couldn’t make     3          grow at home. What the stores sold   4       (tell) a great deal about   5         life at that time. People bought tools that they needed for farm work; salt, sugar and  6       foods that the farm didn’t produce; articles of clothing that they couldn’t make    7     ; shirts for the men; or clothes for the children. Life was simple then. One feels that people were   8      (thank) for what they had and that they looked  9      with courage to whatever the future brought. It would be interesting to know how they would feel about the life today. Would it seem to them that life is too complex? Would they enjoy   10    (live) a life as we do now?

男性，10岁，右足底被铁锈钉刺伤10天，突然出现张口困难，继之出现苦笑面容，角弓反张，声响及触碰病人可诱发上述症状，病人神志清楚，不发热。（以下3题共用题干）

该病属于（ ）。

A．毒血症

B．菌血症

C．败血症

D．脓血症

E．脓毒血症

变更指示是由( )发出的。

A．发包人

B．政府主管部门

C．监理人

D．设计单位

国际财务管理是以（）为主体进行的一系列管理活动。

A.国家

B.政府

C.企业

D.个人

明度高的色彩，饱和度一定高。（）