题目

用简便方法计算，并指出你所使用的运算律： （1） （2） 答案：解：原式= −36×49−36×（−56）−36×43 = −16+30−48=-34 解：原式= 525+335+12−12−6.2−3.8+412 = 9+0−10+412= 312                Book Buddies Program overview   Children in grades 1-8 who are able to read at any level are invited to the shelter to read to the cats in our adoption room. Book Buddies will help children improve their reading skills when helping the animals by providing human interaction Cats find the rhythmic sound of a voice very comforting.  The program was sotarted by Kristi Rodriguez. Her'son,Sean,who's a. 10-year-old boy,served as an inspiration for the program. He struggled with reading at school and so she brought him in to read to the cats. He loved it so much that he asked to come back. The program officially began in August 2013. Since then Sean has shown a rapid improvement in his reading and now often reads to their dogs at home.  Sean's story is similar to those of many other children who have taken part in Book Buddies. The program has grown within our community and is taken advantage of by home-schooled children,parents who want their children to play with animals,parents of (患自闭症的) children and many more.According to studies by researchers at Tufts University: Pets can be considered a source of support. Human-animal interaction can make the learning process more comfortable and enjoyable for children. Autistic children showed increased use of language and had improved social interaction while with the animals.  They showed focus and kept a better state of awareness,as well as improved attitudes toward school.  Animals can provide comfort for children without judging them.Program rewards   Children can complete “book tickets” while taking part in the program. Each ticket will require the child to complete five books  (length does not matter) . After each ticket is completed,they can begin a new one. The completed ticket can then be turned in for a prize.Program update: 4/7/1613. The Book Buddies program invites children whoA.can read at any level   B. can take care of catsC. like reading books about cats   D. like interacting with other readers14. Sean's Story is mentioned to.   A. tell us how Sean started the program   B. tell us Sean didn't do well in school     C. praise Sean for what he did for animals   D. show the program has made a difference to Sean15. According to the studies of Tufts University,reading to cats .   A. makes cats become more sociable   B. helps children feel more independent    C. benefits children socially and academically       D. makes children learn to judge themselves properly16. How can a kid win a prize?   A. By finishing reading a book.   B. By designing five book tickets,    C. By selling the most book tickets.   D. By handing in h*is finished book ticket.