下列物质中，硬度最大的是（ ） A．金刚石 B．石墨 C．焦炭 D．活性炭 发布时间：2017-06-23 08:01 │ 来源：www.tikuol.com 题型：选择题 问题： 下列物质中，硬度最大的是（ ）A．金刚石B．石墨C．焦炭D．活性炭
题型：选择题 完形填空。 Kate, Mary, Linda and Peter are good friends. They go out for a picnic __1__ Sunday afternoon. Kate__2__ her teacher, Miss Green, to the picnic. Mary also invites __3__ brother, Tom, to come to the picnic. But Tom would like__4__ TV at home. They have got some food and drinks. Kate __5__ some fruit. Mary has got some__6__ juices and beef. Linda has got some tomatoes __7__ carrots. Peter has got __8__ chicken and hamburgers. Miss Green has got some chocolate. They __9__ , drink, sing and play __10__ the park. They are all happy. ( ) 1. A. at ( ) 2. A. meets ( ) 3. A. her ( ) 4. A. to look ( ) 5. A. have got( ) 6. A. milk ( ) 7. A. and ( ) 8. A. a ( ) 9. A. eat ( ) 10. A. at B. on B. has B. she B. to watch B. has got B. food B. or B. an B. open B. in C. in C. invites C. his C. make C. there is C. water C. but C. some C. write C. on D. / D. tells D. him D. see D. there are D. orange D. so D. any D. ride D. to 查看答案
题型：选择题 带加法累计指示器的计算的燃油系统（CFS）除燃油量外提供以下几个指示（）1.燃油流量2.从复位或开始起动后使用的燃油3.在当前功率给定下剩余的燃油时间4.燃油温度A.1个B.2个C.3个D.4个 查看答案