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问题 填空题

测量长度的基本工具是______；小明同学的身高是1.68______，我国最长的河流长江长约6400______（填合适单位）．

答案

刻度尺是用来测量长度的基本工具，小明同学的身高约是1.68 m．

长江长度如果是6400纳米、6400分米、6400米时，都较小，不符合实际；如果是6400光年就较大，也不符合实际，所以只有6400km符合实际；

故答案为：刻度尺；m；km．

选择题

“金沙水拍云崖暖，大渡桥横铁索寒”毛 * * 《七律·长征》诗中“大渡桥横铁索寒”所指的军事行动是[ ]

A．渡过湘江

B．四渡赤水

C．强渡大渡河

D．巧渡金沙江
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单项选择题

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。

（18）（）

A.taken

B.utilized

C.applied

D.spent
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