2. 外语
  3. Animals do not eat more than their bodies need. They seem to have the (1)______ to eat when they are hungry. It has been demonst

Animals do not eat more than their bodies need. They seem to have the (1)______ to eat when they are hungry. It has been demonst

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问题     Animals do not eat more than their bodies need. They seem to have the (1)______ to eat when they are hungry. It has been demonstrated that rats will,(2)______given a choice over a period of time,(3)______ water with vitamins to water without vitamins(4)______there is no difference in taste or smell between the two water bottles. When a(5)______ flavor was added to the vitamin-enriched (6)______, the rats did seem to (7)______ a taste for it and kept drinking it, even after the vitamins were (8)______to the clear water.(9)______, however, they broke the habit and went back to(10)______ the necessary vitamins were.
    In a classic experiment, babies of 6 to 12 months old were(11) ______ in a cafeteria feeding arrangement,(12)______a wide selection of baby food before them. They were given whatever food they pointed to or appeared(13)______in. We are told that at first they showed some unusual eating (14)______, but that over a period of time they managed to select well-balanced(15)______.
    So, in selecting food, rats and babies do seem to know and act(16)______ what’s best for them. Apparently, humans soon(17)______a kind of " body wisdom" when growing up.(18)______of us do not eat as wisely as we could. Many of our food preferences are(19)______determined and influenced by long-established habits. Some people eat fox, dog and blackbirds,(20)______we eat cows and pigs. So what people eat and how much they eat seems to be greatly influenced by what is going on around them.
(13)
选项 A、absorbed
B、attracted
C、involved
D、interested
答案D
解析 形容词辨析题。[D]interested“对……感兴趣的”，与之搭配的介词为in，因此是正确答案。[A]absorbed也与介词in相搭配，不过意思是“全神贯注的，一心一意的”，与文意不符，可以排除；[B]attracted“被吸引的”，与介词to连用，因此可以排除；[C]involved的意思是“投入的；牵连的”，不符合文意，故排除。
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