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People WatchersSome scientists do not wear laboratory coats (coat). And only 41___(rare) do they use microscopes. These scientists are called 42___(society) scientists.They want to find out how people act and why they do certain things.Some of them study the people of 43___(differ) cultures to learn their ways of doing things. They often live with the people of the culture they are 44___(study). They try to feel the world of these people. And they must be good reporters because facts, not 45___(opinion)about other cultures, must be reported.Another group of them studies how people 46___(live)long ago. They dig in the ground to find old tools that have been 47___(bury) for thousands of years. Sometimes, they even discover buildings hidden in the earth.These scientists often work in 48___(cooperate) with each other. If one of them 49___ (find) a Greek vase(花瓶)in the Middle East, he or she may ask for an 50___(explain) from an expert to find out how the vase got there.

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HorsesWhenever anyone asks me what my favorite animal is, I always say, " Horses." I like almost all animals. 26___I don't have a horse of my own. Horses are very expensive. 27___You have to pay for their food, equipment, insurance, and health care, for example. If you live on a farm or other big piece of land, you can keep your horse there. But if you don't have a place that's big enough for a horse, you have to pay to keep itsomewhere else.28___ I go there on the weekends sometimes and watch the trainers exercising the horses. All of the horses need a lot of exercises in order to stay healthy, no matter what kind of riding they are used for. Most of the horses are used for trail(小径)riding, which I think is the easiest and the most fun. It's nice to go out into the woods or along the beach with a horse.One reason I really like horses is that they have as much personality as people do.They can't talk, but they can tell you what they are feeling with their body language. 29___Maybe, when I get a little older, I could get a job at the stable. 30___I'm trying to learn as much about horses as I can now, so that I'll be really qualified (有资格的). I would love to have a job like that.A.There I could be around horses all the time.

B.We're very lucky to live near a horse stable.

C.It's very expensive to buy one and to own one.

D.But horses have always been my very favorite animals.

E.My favorite horse"Vrana"is older than a lot of other horses.

F.For example, a horse is happy if its ears are forward and its tail is relaxed._____

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