题型:问答题 阅读理解。 Three people of a Utah family, dad, son and granddaughter are celebrating (庆祝) one thing together-their high school graduation (毕业). The granddaughter, Brittany Wright, is 17 years old. James, her father, a bus driver, is 36 years old. And 72-year-old Jim is her grandfather. They are all getting their high school diplomas this year. There is a cat named Kate. She is a kind cat because she keeps three dogs. The mother of the three dogs died in a car accident. After that, the eat is looking after them. She feeds them with her milk and plays with them. Now, they are living together happily. Many people think monkeys are clever. Now, some monkeys have worked as policemen in India.Bajrangi, 8 years old, is one of these monkey policemen with a black face. Every day, it walks with a man along the New Delhi railway station. It can scare away smaller monkeys from the railway station. Can a robot have a facial (面部的) expressions? Yes, it can. Japanese scientists have made a new robot, called Cathy, which can imitate (模仿) people facial expressions. When it hears some words,it can have happy, angry, surprised, and about over 30 other facial expressions.1. In passage 1, the underlined word "diploma" means ________ in Chinese. A. 毕业证 B. 执照 C. 公交 D. 奖状 2. Bajrangi is a ________. A. truck driver B. Japanese scientist C. mother cat D. monkey working as a policeman 3. ________ can imitate people's facial expressions according to the passages above. A. Cathy B. Kate C. Monkeys D. Dogs 4. Kate is great because ________. A. she is a robot which can smile or look angry B. she helps policemen a lot at a railway station C. she seems to be a very kind-hearted cat D. she has finished her high school 5. You can probably read the above 4 passages in a ________. A. story book B. newspaper C. notebook D. dictionary 查看答案
题型:问答题 据报道.我国的地球同步卫星“天链一号01 星”于2008 年4 月25 日在西昌卫星发射中心发射升空,经过4 次变轨控制后,于5 月l 日成功定点在同步轨道Ⅰ。如图为第四次变轨图示,卫星在A点从椭圆轨道Ⅱ进入圆形同步轨道Ⅰ,关于 “天链一号01 星”,下列说法正确的是( )A.在同步轨道Ⅰ的运行速度大于7.9Kg/sB.同步卫星只能定点在赤道上空距地面高度固定,相对地面静止C.在轨道Ⅱ上经过A的速度大于在轨道Ⅰ上经过A的速度D.在轨道Ⅱ上经过A的加速度小于在轨道Ⅰ上经过A的加速度 查看答案
题型:问答题 在化学学习中,经常会遇到“1+l≠2”的有趣现象.下列选项符合此现象的是( )A.100ml酒精与100ml水混合后溶液的体积B.1g饱和食盐水中加lg水后所得溶液的质量C.n个N2与n个O2混合后得到的分子总数D.1g氢氧化钠稀溶液和lg稀硫酸溶液混合后所得溶液的质量 查看答案