现浇钢筋混凝土框架结构中竖向钢筋的连接，宜采用（）。 A.闪光对焊 B.电弧焊 C. 发布时间：2019-01-14 22:35 │ 来源：www.tikuol.com 题型：单项选择题 问题： 现浇钢筋混凝土框架结构中竖向钢筋的连接，宜采用（）。A.闪光对焊B.电弧焊C.电阻点焊D.电渣压力焊
题型：单项选择题 阅读理解。 Is it time to get MP3? Your computer has been playing music for years, one CD at a time. Now hundreds of songs can be stored in your PC if they're in the MP3 format (格式). What is it? MP3 compressed (压缩) music into small computer files. You may download MP3 music several ways: Music can be downloaded from websites that have turned wide music libraries into MP3. Once MP3 music is on your PC s hard drive, you can play it through your computer's speakers, "burn" it onto blank CDs or swap (交换) MP3 files with friends using e -mail.How much? Software needed to play and turn MP3 music is often free. Compact portable MP3 players start at around $ 40 and can hold hundreds of songs. A blank CD on which you can record music costs about a dollar. Advantages (优点) MP3 turns your home PC into a jukebox (自动唱机). Small MP3 players are the size of a deck of cards, making it easy to take hundreds of songs with you. Disadvantages You may find that some websites only allow you to listen but you can't download music. Others let you download music but can't be copied to MP3 players. And a growing number of new CDs make it impossible to copy songs to a computer. 1. How can you get MP3 music? A. By turning your home PC into a jukebox. B. By taking your own music or songs with you. C. By copying songs to a PC through the speakers. D. By downloading from websites, which have turned music libraries into MP3. 2. What is the closest meaning of the underlined word "burn"? A. Copy. B. Play. C. Store. D. Change. 3. Which is NOT true according to the passage? A. Software needed to play and turn MP3 music is often free. B. MP3 music can be "burned" onto blank CDs or be swapped with friends by e-mail. C. MP3 music can be taken along while traveling. D. A growing number of new CDs make it possible to copy songs to a computer. 4. How much will you pay for a compact portable MP3 player? A. Free. B. At least 10 dollars. C. About forty dollars. D. About a dollar. 5. How many disadvantages of MP3 can we see from the passage?A. 2 B. 3 C. 4 D. 5 查看答案
题型：单项选择题 一般而言，当( )时，股价形态不构成反转形态。A．股价形成头肩底后突破颈线位并上涨一定形态高度B．股价完成旗形形态C．股价形成双重顶后突破颈线位并下降一定形态高度D．股价形成双重底后突破颈线位并上涨一定形态高度 查看答案