题目

（1） 计算：（﹣2007）0+（ ）﹣2﹣（﹣2）3 ． （2） 先将（ ）÷ 化简，然后请你选一个自己喜欢的x值，求原式的值． 答案：解：原式＝1+4﹣（﹣8） ＝5+8 ＝13； 解：原式 =x2−1x+1÷x−1x, =(x+1)(x−1)x+1⋅xx−1, ＝x， 当x＝2时，原式＝2． The 87th Academy Award nominations(提名) were announced on Jan 15, and The Grand Budapest Hotel stood out as a favorite with nine nominations, including Best Picture. Check out some other Best Picture nominees to see if you missed any of last year’s top Hollywood films.The Imitation GameThis historical thriller is about British computer scientist, Alan Turing (Benedict Cumberbatch), the father of artificial intelligence. At the start of World War II, Turing was asked to join a select team of mathematical geniuses to decode（解码） the system the Nazis used to send military messages. Besides the actual breaking of the code, Cumberbatch’s portrayal（扮演）of Turing’s personality, a mixture of decency（正派）and shyness, is also a highlight of the movie.BirdmanThis dark comedy film is about how Riggan Thomson, a faded star once famous for his superhero roles, struggles to regain fame. American actor Michael Keaton, 63, who has a similar experience to Thomson’s, plays the leading role.Selma A stellar cast(主要演员) including talk show queen Oprah Winfrey may be one reason to see Selma. But that the film focuses on Martin Luther King Jr.’s struggle for civil rights also makes it worth viewing. Based on the 1965 Selma to Montgomery voting rights marches, the film is a chronicle(编年史) of King’s (David Oyelowo) campaign for political rights for African-American people.The Theory of EverythingWe know English theoretical physicist Stephen Hawking for his significant scientific discoveries, especially his black hole theories. This biographical film reveals the scientist’s (played by Eddie Redmayne) secret romantic relationship with Jane Hawking (Felicity Jones), whom he meets and falls in love with at Cambridge and who later becomes his first wife.BoyhoodAmerican Director Richard Linklater did an experiment in this film, using the same cast for 12 years to record a boy’s growth. In two and a half hours, we see Mason, a Texas boy from a divorced family, grow from 6-year-old boy to a freshman in college.1. How many Best Picture nominees are mentioned in the text?A. Five B. Six C. Eight D. Nine2.Which of the following statements is TRUE according to the text?A. Michael Keaton became famous overnight after starring in the movie Birdman.B. Alan Turing is a talented and outgoing man in The Imitation Game.C. Selma is the story of Martin Luther King Jr.’s fight for voting rights for African-Americans.D. The Theory of Everything is about how Stephen Hawking discovered his black hole theories.3.What is Boyhood mainly about?A. How Richard Linklater did his decade-long experiment.B. The wonderful life of Mason.C. The growth of a young boy.D. How Mason spent his college years.4. What is the main purpose of the text?A. To analyze why these films were nominated for the 87th Academy Awards.B. To give a brief introduction to the 87th Academy Award nominees.C. To list some of the best nominees in the Academy Awards’ history.D. To prove that the Academy Award nominees cover a broad range of topics.