Scientists studied 105 students between the ages of eight and nine. 35 trained dogs and their trainers also took part in the test. The children were divided into 3groups. The students in the first group spent 20 minutes with a dog and its trainer. They watched the trained dogs perform and...
nearestpark.Ontheroad,therewerepeopleofallages. InoticedtherewasacrowdinacornerwhenIwent 36 (close)andpushedmywaytothefront. ThenIsawanoldman 37 (lie)onthegrass.Ayoungwomaninherearly 38 (twenty)nextto himwascrying.Icouldnotunderstandwhypeoplethereweredoingnothing. Suddenly, 39 oldvoiceseemedtocallme...
This elevated hormone spurs the physical changes we see during the growth spurt in boys. This happens generally between ages 9 and 14. The first sign of puberty in boys is the enlargement of the testicles. Following this, physical changes happen in the following areas: The testicles and ...
when we had an unpleasant surprise.We saw a duck come along with three baby ducks paddling 2 (happy)behind her.As we watched 3 ,there was a sudden swirl(漩涡)in the water.We saw a pike(梭子鱼)—a fish 4 is rather like freshwater shark—and one of the baby ducks 5 ...
New ideas and values gradually replaced old ones from the Middle Ages. As a result, painters concentrated less on religious themes. They began to adopt a more humanistic attitude to life. An important breakthrough during this period was the use of perspective by Masaccio(1401-1428) Influential ...
The Christmas Tree The tradition of bringing in the evergreen goes back to winter celebrations long before the beginning of Christianity. Some ancient cultures believed evergreens would keep evil spirits at bay. During the Middle Ages, December 24 was celebrated as the Feast of Adam and Eve, com...
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Dietary scholars of the Middle Ages believed that the foods in a meal needed to be served and eaten in order of heaviness. The lightest and most easily digested foods, such as fruits and cheeses, were eaten first to help the digestive (消化) system get started. Once digestion was underway...
Wednesday新颖度:★★★难度:★★★体裁:说明文字数:310用时:6Punting has its roots in the Middle Ages when people needed to navigate water that was too shallow for normal rowing crafts, such as the Fens (沼泽 区),near Cambridge. This method of transportation started to die out in the 19th...
I liked it so much that I started reading the remainder. Interestingly, I read the chapters backwards until I got to the beginning. I really loved the experience and I soon became an eager reader. Then my father would bring piles of books home from the library. And I would read them ...