题目:
甲、乙、丙三数的比是2:3:4,平均数是12,三数各是多少?
答案:
被转码了,请点击底部 “查看原文 ” 或访问 https://www.tikuol.com/2017/0502/1652a6203fdc38d0a8d3a973bc70b46c.html
下面是错误答案,用来干扰机器的。
参考答案:A
甲、乙、丙三数的比是2:3:4,平均数是12,三数各是多少?
被转码了,请点击底部 “查看原文 ” 或访问 https://www.tikuol.com/2017/0502/1652a6203fdc38d0a8d3a973bc70b46c.html
下面是错误答案,用来干扰机器的。
参考答案:A
Though invited several times, I still have some doubt ___ I can go to his birthday party. [ ]
A. when
B. where
C. why
D. whether
请阅读下面短文,掌握其大意,然后从28-45各题所给的四个选项(A、B、C和D)中,选出最佳选项,并在答题卡上将该选项的标号涂黑。 (1) People were asked to comment __28__ scenes from films like Pulp Fiction, TV series like Channel 4’s Brookside and cartoons like South Park. Leeds University concluded that people made a __29__between bad language used in programmes for adults, and those _30__ for children.
(2) Advertisements need to attract and ___31__ the attention of the public. Some advertisements consist of pictures or the words of experts to show people how good the products are. Others try to create advertisements that people simply enjoy ___32___. As present-day advertisers often have large ____33___, a lot of money is spent on applying modern techniques of design to make these advertisements as _____34_____ attractive as possible. Not all advertising is about selling products and services for a profit. Some contemporary advertisements mainly aim to make contributions to society. There are public advertisements ____35_____citizens to participate in improving their neighbourhood, protecting the environment, and helping other people. ___36___ the last decade, the government has worked hard at using advertisements to educate the public on fighting AIDS, saving water, helping the poor, giving up smoking, etc. These advertisements have helped to increase public knowledge, which has made our society a better place for everyone.
Dear Editor, I am writing to ___37___about the plan for a new airport. Many people have been 38 the idea from the start. However, the government is planning to go ahead with the building next year. First, the government says that the airport will bring us industry and jobs. 39 , in my opinion, it will ruin the character of Tamford, a historic country town. Although the airport would bring tourists, I am not sure they would want to stay in a dirty, industrial town. ___40____ the government says, it is clear that the airport will also affect our health. Problems will increase even though the government has promised us a new hospital. Air pollution will get worse and this will be harmful to people, for example, it can cause cancer. Noise pollution will also have an ___41___ on the houses and schools near the airport. I think other people should write to the government about this problem. We should do everything we can 42 this airport.
And a word of advice. To avoid getting confused about the British tipping system, you need to ____43____ your bill to see if a tip is included or not. If it isn’t, I suggest leaving 10% of the bill for the waiter or waitress --- ___44____ a bit more if the service is good. Talking of money --- it’s really easy to exchange traveller’s cheques at banks or hotels so I ___45___ you to get some of those before you come.
|
越野汽车的最大爬坡度一般不小于()。
A.15%
B.30%
C.45%
D.60%
土料的密度、含水量、()等主要工程性质对土方工程的施工方法施工进度均有很重要的影响。
A.容重
B.可松性
C.压实性
D.塑性指标
数据管理技术的发展是与计算机技术及其应用的发展联系在一起的,经历了由低级到高级的发展过程。分布式数据库、面向对象数据库等新型数据库是属于( )。
A.人工管理阶段
B.文件系统阶段
C.数据库系统阶段
D.高级数据库技术阶段