钢轨的总磨耗量等于垂直磨耗加()侧面磨耗。A、1/2 B、1/3 C、1/4 D、1

题型:单项选择题

问题:

钢轨的总磨耗量等于垂直磨耗加()侧面磨耗。

A、1/2

B、1/3

C、1/4

D、1/6

考点:铁路线路工技能考试中级线路工中级线路工题库
题型:单项选择题

阅读理解

     The Internet is a big place. Nobody has the time to look at every webpage(网页) to find something. Yahoo can help

us to find what we need.

     Two Stanford University students, David Filo and Jerry Yang started Yahoo in 1994. They started by making a list of

their favourite webpages. When their list got longer, they made a database(数据库) to keep their information. They let

everybody use it for free. Soon, thousands of people began to use their service.

     They then made a new kind of software. It could take certain information and arrange it for someone to look at. If you

search for, say, "blue whales", the engine will give you a list of webpages with those words.

     Yahoo became a public company in 1996. Filo and Yang, still young men, became rich. As their company grew, they

went on working hard. They improved their software. They also added more services, like shopping, free e-mail, in many

different countries and languages.

     Yahoo. com is famous on the Internet. And unlike most other Web companies, Yahoo earns much money in fact.

1. When Yang and Filo wrote the first Yahoo software, they ________.

A. made people pay to use it

B. were still university students

C. knew it wasn't useful

D. were high school students

2. After Yang and Filo became rich, they _________.

A. became lazy

B. worked less

C. kept working hard

D. stopped working at Yahoo

3. What kind of Yahoo service is not discussed in the passage?

A. Buying and selling stocks(股票).

B. Search engine.

C. E-mail.

D. Shopping on the Internet.

4. Which of the following is TRUE?

A. Yahoo is always a big company.

B. Yahoo is a Web company.

C. Yahoo makes people pay for their e-mail service.

D. Yahoo is losing money.

5. What does the passage suggest about most Internet companies?

A. They don't earn much money.

B. They're all famous.

C. They're just like Yahoo.

D. They're all in English.

题型:单项选择题

The water in this glass is too hot. I prefer some cold______ water.

A.to boil

B. having boiled

C. boiling

D. boiled

题型:单项选择题

通过万方投稿服务,可知《浙江大学学报(人文社会科学版)》的发稿周期是()

A.360天

B.90天

C.120天

D.180天

题型:单项选择题

下列会计业务的处理。已构成会计差错的有( )。

A.将满足固定资产标准的外购价值为15万元的设备作为低值易耗品核算

B.将某项专利权的摊销年限由法律规定受益年限改为合同规定受益年限

C.将坏账准备的计提由应收账款余额百分比法改为账龄分析法

D.将归集在“长期待摊费用”科目中的筹建期间内发生的费用分5年摊销

E.将委托代销商品在发出时确认该批商品的销售收入

题型:单项选择题

经过数字化处理之后的数字波形声音,其主要参数有:取样频率、 【19】 、声道数目、码率,以及采用的压缩编码方法等。

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