我国引起肝功能衰竭的主要病因是（） A.肝炎病毒 B.毒物 C.乙醇 D.自身免疫性

员工素质测评的（）采用“甲，乙，丙，丁”的刻度形式。

A.量词式标度

B.数量式标度

C.定义式标度

D.等级式标度

双金属温度仪表属于()温度仪表,它的感温元件是由两片膨胀系数不同的金属片叠焊在一起制成的.

A.铁壳温度计

B.固体膨胀式

C.热电阻

D.热电偶

乙酰胆碱作用的消失，主要通过

A．突触前膜再摄取
B．肝、肾代谢
C．神经末梢的胆碱乙酰化酶水解
D．突触间隙的乙酰胆碱酯酶水解
E．突触间隙的MAO所破坏

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 Oceanz 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。

（20）（）

A.permanent

B.mental

C.spiritual

D.conscious

种子活力是种子质量的重要指标之一，与种子田间（）质量密切相关。