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问题 填空题

说明下列过程中能量转化

（1）给蓄电池（俗称电瓶）充电______；

（2）植物进行光合作用渐渐长大______；

（3）壶中的水沸腾时壶盖不断跳动______．

答案

（1）给蓄电池充电是将电能转化为化学能；

（2）植物进行光合作用是将太阳能转化为化学能；

（3）水烧开的时候，壶盖不断“跳动”，是水蒸气对壶盖做功的结果，把水蒸气的内能转化为壶盖的机械能；

故答案为：（1）电能转化为化学能；（2）太阳能转化为化学能；（3）内能转化为机械能．

多项选择题

依据社会救助的稳定性可将社会救助分为（）

A、实物救助

B、服务救助

C、定期救助

D、临时救助
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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 Ocean Park. Without this (19) reinforcement, says Dr. Simms, children cannot form (20) memories of their personal experiences.

13（）

A.recall

B.remember

C.reflect

D.respond
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