患儿，5岁，喜蹲踞，口唇、甲床发绀。查体：心前区搏动增强，胸骨左缘2、3、4肋间闻及

对纸币的下列论断中正确的是( )。

A．纸币产生于价值尺度职能

B．纸币产生于流通手段职能

C．纸币流通规律要以金属货币流通规律为基础

D．纸币代表金属货币执行流通手段职能

在63、72、88三个树中，是2的倍数的是______，是3的倍数的是______，既是2又是3的倍数的数是______．

秦朝郡守和县令的产生方式是（）。

A.世代相袭

B.皇帝任命

C.考试选拔

D.地方推荐

服务证券是指以一定的服务或文体、艺术欣赏为内容的证券。 根据上述定义，下列不属于服务证券的是( )。

A．飞机票

B．球票

C．粮油票

D．电影票

What’s your earliest childhood memory Can you remember learning to walk Or talk The first time you heard thunder or watched a television program Adults seldom (1) events much earlier than the year or so before entering school, (2) children younger than three or four (3) retain any specific, personal experiences.

A variety of explanations have been (4) by psychologists for this "childhood amnesia". One argues that the hippo-campus; the region of the brain which is (5) for forming memories, does not mature until about the age of two. But the most popular theory (6) that, since adults don’t think like children, they cannot (7) childhood memories. Adults think in words, and their life memories are like stories or (8) one event follows (9) as in a novel or film. But when they search through their mental (10) for early childhood memories to add to this verbal life story, they don’t find any that fit the (11) . It’s like trying to find a Chinese word in an English dictionary.

Now psychologist Annette Simms of the New York State University offers a new (12) for childhood amnesia. She argues that there simply aren’t any early childhood memories to (13) . According to Dr. Simms, children need to learn to use someone else’s spoken description of their personal (14) in order to turn their own short-term, quickly forgotten (15) of them into long-term memories. In other (16) , children have to talk about their experiences and hear others talk about (17) --Mother talking about the afternoon (18) looking for seashells at the beach or Dad asking them about their day at Ocean Park. Without this (19) reinforcement, says Dr. Simms, children cannot form (20) memories of their personal experiences.

Notes: childhood amnesia 儿童失忆症。

6（）

A.declines

B.assesses

C.estimates

D.maintains